There are infinitely many answers. Two possibilities are
10*31.5
and
-1 * -315
25x2
3 and 3
1×657 3×219 9×73
15 multiplied by 21 is 315.
12.6 x 25 = 315
500 minus 315 equals 185.
39.375
yes !
315/21 = 15, hence 15 times 21 is 315
It is the same as 315 divided by 7.5 equals 42
315/4 = 78 3/4 = 78.75
5 x 7 x 3 x 3 = 315