No problem, we've got 87801272 and 99980576 to multiply
87801272 × 99980576 = 99980576 × (87801272)
+ 99980576 × 2 resulting in 199961152
+ 99980576 × 70 what gives us 6998640320
+ 99980576 × 200 that equals 19996115200
+ 99980576 × 1000 that equals 99980576000
+ 99980576 × 00000 yielding 0
+ 99980576 × 800000 resulting in 79984460800000
+ 99980576 × 7000000 what gives us 699864032000000
+ 99980576 × 80000000 which equals 7998446080000000

= 8778421748092672
