715 * 4 - 536 ( 484 + 1278 ) * 5 836 * 2 + 2511
715 * 4 - 536 = 2860 - 536 = 2324 (484 + 1278)*5 = 1762 * 5 = 8810 836 * 2 + 2511 = 1672 + 2511 = 4183
1) 2324 2) 8810 3) 4183