Alright, let's work through 1085 times 9801 step by step
1085 × 9801 = 9801 × (1085)
+ 9801 × 5 which equals 49005
+ 9801 × 80 resulting in 784080
+ 9801 × 000 resulting in 0
+ 9801 × 1000 that is equal 9801000

= 10634085
