Alright, let's work through 6444 times 6316 step by step
6444 × 6316 = 6316 × (6444)
+ 6316 × 4 resulting in 25264
+ 6316 × 40 giving us 252640
+ 6316 × 400 that equals 2526400
+ 6316 × 6000 yielding 37896000

= 40700304
