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: [[47, -50], [36, -20], [45, 19, -29], [-8, -15, 8, -50, -17], [9, 11, -45, -47, -29], [10, -13, 18], [-5, 10, -21, 10], [47, -20], [-23, -18], [-30, 10, -26, -17]]

[-2350, -720, -24795, 816000, -6072165, -2340, 10500, -940, 414, -132600]