In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
--------
Question: [[4, -43, -6, 30], [9, 17, -1, -2, -43], [-44, 12]]

Answer: [-720, -2, -528]


Question: [[-25, 43, 21], [-40, 43], [-48, -5]]

Answer: [0, -40, -48]


Question: [[40, 18, 42, 25], [-24, 46, 28], [29, 43, -24, -2, 6], [21, -9], [-3, 21], [24, 43, -41, 7], [-19, 42, 34, 25], [1, -13], [-42, -18, -7, 37, 10], [24, 8, -26, -27], [-13, -16, -31, 10, -13], [-43, -36, -29, 42], [50, 44, 32]]

Answer:
[30240, -30912, 288, 0, 0, 24, 1428, 0, 7560, -4992, -160, -1512, 70400]