No problem, we've got 2420 and 1247 to multiply
2420 × 1247 = 1247 × (2420)
+ 1247 × 0 that results in 0
+ 1247 × 20 which equals 24940
+ 1247 × 400 resulting in 498800
+ 1247 × 2000 yielding 2494000

= 3017740
