No problem, we've got 87023568 and 78827800 to multiply
87023568 × 78827800 = 78827800 × (87023568)
+ 78827800 × 8 resulting in 630622400
+ 78827800 × 60 what gives us 4729668000
+ 78827800 × 500 resulting in 39413900000
+ 78827800 × 3000 that results in 236483400000
+ 78827800 × 20000 which equals 1576556000000
+ 78827800 × 000000 resulting in 0
+ 78827800 × 7000000 that is equal 551794600000000
+ 78827800 × 80000000 resulting in 6306224000000000

= 6859876413590400
