Alright, let's work through 6418 times 115 step by step
6418 × 115 = 115 × (6418)
+ 115 × 8 that equals 920
+ 115 × 10 what gives us 1150
+ 115 × 400 yielding 46000
+ 115 × 6000 that results in 690000

= 738070
