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: [[-15, 37, 45, -32], [34, 16, 40, 50, -39], [-19, 10, 33, -1]]

[799200, -42432000, 6270]