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: [[7, -12, 21, 49], [0, 37, 7, 42], [-14, 12, 23], [9, 9, -5, -29, -47], [-45, 40, 35, 28, -21], [27, 6, -23, -41, -10], [-34, -16, -42]]

[-86436, 0, -3864, -552015, 37044000, -1527660, -22848]