Alright, let's work through 9938 times 8513 step by step
9938 × 8513 = 8513 × (9938)
+ 8513 × 8 that is equal 68104
+ 8513 × 30 yielding 255390
+ 8513 × 900 that is equal 7661700
+ 8513 × 9000 what gives us 76617000

= 84602194
