Alright, let's work through 3455 times 2447 step by step
3455 × 2447 = 2447 × (3455)
+ 2447 × 5 which equals 12235
+ 2447 × 50 giving us 122350
+ 2447 × 400 what gives us 978800
+ 2447 × 3000 producing 7341000

= 8454385
