Definition: In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
Input: [[-17, 48, 5, -41], [1, -21], [-43, -12], [-7, -27, -22, -6, -49]]

[167280, -21, 516, -1222452]