Alright, let's work through 4078 times 9441 step by step
4078 × 9441 = 9441 × (4078)
+ 9441 × 8 what gives us 75528
+ 9441 × 70 what gives us 660870
+ 9441 × 000 that equals 0
+ 9441 × 4000 which equals 37764000

= 38500398
