Alright, let's work through 7638 times 9340 step by step
7638 × 9340 = 9340 × (7638)
+ 9340 × 8 that results in 74720
+ 9340 × 30 that results in 280200
+ 9340 × 600 that equals 5604000
+ 9340 × 7000 what gives us 65380000

= 71338920
