No problem, we've got 2136 and 9646 to multiply
2136 × 9646 = 9646 × (2136)
+ 9646 × 6 that is equal 57876
+ 9646 × 30 yielding 289380
+ 9646 × 100 resulting in 964600
+ 9646 × 2000 what gives us 19292000

= 20603856
