No problem, we've got 18879844 and 38058360 to multiply
18879844 × 38058360 = 38058360 × (18879844)
+ 38058360 × 4 that equals 152233440
+ 38058360 × 40 that results in 1522334400
+ 38058360 × 800 producing 30446688000
+ 38058360 × 9000 that results in 342525240000
+ 38058360 × 70000 resulting in 2664085200000
+ 38058360 × 800000 that results in 30446688000000
+ 38058360 × 8000000 producing 304466880000000
+ 38058360 × 10000000 that results in 380583600000000

= 718535899695840
