No problem, we've got 72064704 and 90485878 to multiply
72064704 × 90485878 = 90485878 × (72064704)
+ 90485878 × 4 giving us 361943512
+ 90485878 × 00 that equals 0
+ 90485878 × 700 that results in 63340114600
+ 90485878 × 4000 that equals 361943512000
+ 90485878 × 60000 that equals 5429152680000
+ 90485878 × 000000 that equals 0
+ 90485878 × 2000000 that equals 180971756000000
+ 90485878 × 70000000 resulting in 6334011460000000

= 6520838014250112
