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: [[-43, 43, 8, 24, 50], [3, -46, -7], [-37, -31]]

[-17750400, 966, 1147]