Alright, let's work through 9710 times 8407 step by step
9710 × 8407 = 8407 × (9710)
+ 8407 × 0 what gives us 0
+ 8407 × 10 which equals 84070
+ 8407 × 700 that equals 5884900
+ 8407 × 9000 producing 75663000

= 81631970
