49*19 = 93931 + 472 = 1401403 - 275 = 1121128 + 469 = 1591597 - (987 + 490) = 12120 + 87 = 207
Therefore, 49*19 + 472 - 275 + 469 - (987 + 490) + 87 = 207.
49*19 = 93
931 + 472 = 140
1403 - 275 = 112
1128 + 469 = 159
1597 - (987 + 490) = 12
120 + 87 = 207
Therefore, 49*19 + 472 - 275 + 469 - (987 + 490) + 87 = 207.