We're going to solve 9810 multiplied by 8157
9810 × 8157 = 8157 × (9810)
+ 8157 × 0 producing 0
+ 8157 × 10 yielding 81570
+ 8157 × 800 what gives us 6525600
+ 8157 × 9000 that is equal 73413000

= 80020170
