No problem, we've got 425254 and 47418198 to multiply
425254 × 47418198 = 47418198 × (425254)
+ 47418198 × 4 which equals 189672792
+ 47418198 × 50 that is equal 2370909900
+ 47418198 × 200 resulting in 9483639600
+ 47418198 × 5000 yielding 237090990000
+ 47418198 × 20000 that is equal 948363960000
+ 47418198 × 400000 what gives us 18967279200000

= 20164778372292
