630
The product of 21 multiplied by 57 is 1,197.
The product of 52 and 21 is 1092
The product is 30. (6 x 5 = 30)
21 x 30 = 630
The product of 30 times 9 is 270.
735
The product is: 18,669
The product is 7560
The product is 651
21 x 20 = 420
The product is 390
The product is 300,000