Alright, let's work through 6240 times 4628 step by step
6240 × 4628 = 4628 × (6240)
+ 4628 × 0 resulting in 0
+ 4628 × 40 what gives us 185120
+ 4628 × 200 which equals 925600
+ 4628 × 6000 which equals 27768000

= 28878720
