No problem, we've got 6404 and 6318 to multiply
6404 × 6318 = 6318 × (6404)
+ 6318 × 4 that is equal 25272
+ 6318 × 00 that equals 0
+ 6318 × 400 that equals 2527200
+ 6318 × 6000 giving us 37908000

= 40460472
