Alright, let's work through 8921 times 8113 step by step
8921 × 8113 = 8113 × (8921)
+ 8113 × 1 what gives us 8113
+ 8113 × 20 that is equal 162260
+ 8113 × 900 that equals 7301700
+ 8113 × 8000 resulting in 64904000

= 72376073
