Условие:

(720 + 9080) * 3;
(5010430) * 9;
(13050) * (4235);
(210 + 90) : (6057);
6 * 8 : 3;
8 * 9 : 2.

(720 + 9080) * 3 = 9800 * 3 = 29400

× 9800 3 ¯ 29400