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.
[[1, -4, 15, 50, 13], [-43, -49], [1, 46], [-24, 32], [13, -45, -13, -37, 45], [18, 21, -14], [38, -19]]