No problem, we've got 87641407 and 71447948 to multiply
87641407 × 71447948 = 71447948 × (87641407)
+ 71447948 × 7 resulting in 500135636
+ 71447948 × 00 that results in 0
+ 71447948 × 400 giving us 28579179200
+ 71447948 × 1000 that equals 71447948000
+ 71447948 × 40000 producing 2857917920000
+ 71447948 × 600000 what gives us 42868768800000
+ 71447948 × 7000000 giving us 500135636000000
+ 71447948 × 80000000 yielding 5715835840000000

= 6261798689982836
