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: [[1, 28, -10], [49, -48, -44], [1, -19, -47, 10, 17]]

[-280, 103488, 151810]