Alright, let's work through 6370 times 270 step by step
6370 × 270 = 270 × (6370)
+ 270 × 0 giving us 0
+ 270 × 70 that equals 18900
+ 270 × 300 what gives us 81000
+ 270 × 6000 what gives us 1620000

= 1719900
