Alright, let's work through 9970 times 8531 step by step
9970 × 8531 = 8531 × (9970)
+ 8531 × 0 yielding 0
+ 8531 × 70 what gives us 597170
+ 8531 × 900 resulting in 7677900
+ 8531 × 9000 that results in 76779000

= 85054070
