3 × 30 =
90
20 × 30 =
600
80 x 4 =
320
30 x 9 =
270
80 x 30 =
2400
5 x 40 =
200
7 x 30 =
210
8 × 60 =
480
40 x 3 =
120
30 x 4 =
120
30 × 30 =
900
20 x 3 =
60
6 x 30 =
180