Alright, let's work through 1636 times 6099 step by step
1636 × 6099 = 6099 × (1636)
+ 6099 × 6 what gives us 36594
+ 6099 × 30 that is equal 182970
+ 6099 × 600 what gives us 3659400
+ 6099 × 1000 that is equal 6099000

= 9977964
