21 / 7 = 3
21 / 7 * 4 = 12
9 / 3 = 3
9 / 3 *2 = 6
32 / 8 * 8 = 32
18 / 9 * 9 = 18
21*1/7=3
21*4/7=12
9*1/3=3
9*2/3=6
32*8/8=32
18*9/9=18
21 / 7 = 3
21 / 7 * 4 = 12
9 / 3 = 3
9 / 3 *2 = 6
32 / 8 * 8 = 32
18 / 9 * 9 = 18
21*1/7=3
21*4/7=12
9*1/3=3
9*2/3=6
32*8/8=32
18*9/9=18