= 678640•7 + (34665-16700) + 12780= 4740480 + 17965 + 12780= 4777225
Therefore, 678640•7 + (34665-16700) + 12780 = 4,777,225.
= 678640•7 + (34665-16700) + 12780
= 4740480 + 17965 + 12780
= 4777225
Therefore, 678640•7 + (34665-16700) + 12780 = 4,777,225.