Task: Program Execution
Input (English): [[-7, -40, 23, 9, -13], [21, -47, -21, 0], [6, -48], [-2, 22, 20, -15], [-36, 47], [5, 18, 6, -7, 20]]
Output (English): [-40, 0, -288, -880, -36, 2160]