Alright, let's work through 8931 times 9423 step by step
8931 × 9423 = 9423 × (8931)
+ 9423 × 1 which equals 9423
+ 9423 × 30 that is equal 282690
+ 9423 × 900 that equals 8480700
+ 9423 × 8000 which equals 75384000

= 84156813
