No problem, we've got 4253 and 4285 to multiply
4253 × 4285 = 4285 × (4253)
+ 4285 × 3 that is equal 12855
+ 4285 × 50 what gives us 214250
+ 4285 × 200 producing 857000
+ 4285 × 4000 producing 17140000

= 18224105
