No problem, we've got 21254154 and 34801714 to multiply
21254154 × 34801714 = 34801714 × (21254154)
+ 34801714 × 4 what gives us 139206856
+ 34801714 × 50 what gives us 1740085700
+ 34801714 × 100 which equals 3480171400
+ 34801714 × 4000 yielding 139206856000
+ 34801714 × 50000 yielding 1740085700000
+ 34801714 × 200000 yielding 6960342800000
+ 34801714 × 1000000 yielding 34801714000000
+ 34801714 × 20000000 that results in 696034280000000

= 739680988819956
