No problem, we've got 2340 and 9642 to multiply
2340 × 9642 = 9642 × (2340)
+ 9642 × 0 giving us 0
+ 9642 × 40 resulting in 385680
+ 9642 × 300 what gives us 2892600
+ 9642 × 2000 giving us 19284000

= 22562280
