Alright, let's work through 9391 times 9038 step by step
9391 × 9038 = 9038 × (9391)
+ 9038 × 1 what gives us 9038
+ 9038 × 90 giving us 813420
+ 9038 × 300 resulting in 2711400
+ 9038 × 9000 resulting in 81342000

= 84875858
