No problem, we've got 18891487 and 37818825 to multiply
18891487 × 37818825 = 37818825 × (18891487)
+ 37818825 × 7 that results in 264731775
+ 37818825 × 80 that results in 3025506000
+ 37818825 × 400 yielding 15127530000
+ 37818825 × 1000 that equals 37818825000
+ 37818825 × 90000 that equals 3403694250000
+ 37818825 × 800000 yielding 30255060000000
+ 37818825 × 8000000 yielding 302550600000000
+ 37818825 × 10000000 that is equal 378188250000000

= 714453840842775
