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: [[-17, 19, -49], [19, 25], [-29, 30, -33], [-1, 6, -29]]

[15827, 475, 28710, 174]