Question 393633
1*2*3 = 6
2*3*4 = 24
3*4*5 = 60
4*5*6 = 120
5*6*7 = 210
6*7*8 = 336
7*8*9 = 504
8*9*10 = 720
9*10*11 = 990
Now you know how many they are.