Alright, let's work through 8680 times 4650 step by step
8680 × 4650 = 4650 × (8680)
+ 4650 × 0 that equals 0
+ 4650 × 80 what gives us 372000
+ 4650 × 600 yielding 2790000
+ 4650 × 8000 yielding 37200000

= 40362000
