Alright, let's work through 1220 times 6354 step by step
1220 × 6354 = 6354 × (1220)
+ 6354 × 0 that results in 0
+ 6354 × 20 yielding 127080
+ 6354 × 200 that equals 1270800
+ 6354 × 1000 yielding 6354000

= 7751880
