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.
[[37, 29], [-45, -46], [-39, 37], [43, -3, 46, 7, 10], [-3, -42]]