The challenge
Write a program that takes two integers from standard input, separated by a comma, and then prints a visualisation of long multiplication of those two integers to standard output.
Eg:
Input
14, 11
Program output
14
x11
_____
14
14
______
154
Input
-7, 20
Program output
-7
x20
_____
00
14
_____
-140
Assume always correct inputs and numbers in the range [-999, 999]
Winning criteria
Shortest code wins!