Charcoal, 9 5 4 bytes

ＥＮＩθ

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-4 bytes thanks to Neil, -1 byte thanks to Erik the Outgolfer

Explanation

Ｅ  Ｉθ Map with lambda returning first input cast to integer
  Ｎ    Implicit range over next (first) input

Charcoal, 9 5 4 3 bytes

Ｅθθ

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-4 bytes thanks to Neil, -1 byte thanks to Erik the Outgolfer

Explanation

Ｅ  Ｉθ Map with lambda returning first input cast to integer
  Ｎ    Implicit range over next (first) input

Charcoal, 35 bytes

ＥＮＩθ

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-4 bytes thanks to Neil, -1 byte thanks to Erik the Outgolfer

Explanation

Ｅ  Ｉθ Map with lambda returning first input cast to integer
  Ｎ    Implicit range over next (first) input

Charcoal, 9 5 4 bytes

ＥＮＩθ

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-4 bytes thanks to Neil, -1 byte thanks to Erik the Outgolfer

Explanation

Ｅ  Ｉθ Map with lambda returning first input cast to integer
  Ｎ    Implicit range over next (first) input

Charcoal, 9 5 bytes

-4 bytes thanks to Neil

ＮθＥθθ

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Explanation

Ｎθ     Store next input as number to q
   Ｅ θ Map with lambda returning q
     θ  implicit range over q

Alternatively (thanks again to Neil):

ＥＩθＩθ

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Explanation

Ｅ  Ｉθ Map with lambda returning q (first input) casted to integer
 Ｉθ    q casted to integer

Charcoal, 35 bytes

ＥＮＩθ

Try it online!

-4 bytes thanks to Neil, -1 byte thanks to Erik the Outgolfer

Explanation

Ｅ  Ｉθ Map with lambda returning first input cast to integer
  Ｎ    Implicit range over next (first) input