1). 208 - 200 = 8
8 * 1 = 8
345 + 300 = 600
600 * 0 = 0
405 - 400 = 5
5 * 3 = 15
679 + 200 = 879
879 * 0 = 0
508 - 500 = 8
8 * 9 = 72
2). 607 - 600 = 7
7 * 8 = 56
150 + 400 = 550
550 * 0 = 0
782 - 780 = 2
2 * 8 = 16
485 + 500 = 985
985 * 1 = 985
999 - 990 = 9
9 * 4 = 36