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: [[26, -30, -38, 50], [21, -17, 17], [16, -3, -7, 27, 46]]

[1482000, -6069, 417312]