No problem, we've got 2420 and 8133 to multiply
2420 × 8133 = 8133 × (2420)
+ 8133 × 0 that equals 0
+ 8133 × 20 that results in 162660
+ 8133 × 400 which equals 3253200
+ 8133 × 2000 that equals 16266000

= 19681860
