Alright, let's work through 4180 times 9770 step by step
4180 × 9770 = 9770 × (4180)
+ 9770 × 0 that equals 0
+ 9770 × 80 that equals 781600
+ 9770 × 100 resulting in 977000
+ 9770 × 4000 that is equal 39080000

= 40838600
