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: [[-13, 25, -45, -15, -3], [21, 39, 14], [11, 19, -17, 45, 47]]

[658125, 11466, -7514595]