No problem, we've got 2351 and 2135 to multiply
2351 × 2135 = 2135 × (2351)
+ 2135 × 1 giving us 2135
+ 2135 × 50 what gives us 106750
+ 2135 × 300 resulting in 640500
+ 2135 × 2000 producing 4270000

= 5019385
