Alright, let's work through 7221 times 6431 step by step
7221 × 6431 = 6431 × (7221)
+ 6431 × 1 producing 6431
+ 6431 × 20 giving us 128620
+ 6431 × 200 which equals 1286200
+ 6431 × 7000 giving us 45017000

= 46438251
