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: [[46, 28, -32], [20, -23, -6, -19], [-49, -46, -3], [48, 11, -17]]

[-41216, -52440, -6762, -8976]