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: [[7, -46, 0, 18, -15], [-1, 27, 50], [13, 43, -27], [-50, 25]]

[0, -1350, -15093, -1250]