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.
[[2, -19, 3], [16, 46, -49], [29, 7, 29], [-48, -13, -31], [-24, -41, -26, -46]]