No problem, we've got 84516475 and 88875664 to multiply
84516475 × 88875664 = 88875664 × (84516475)
+ 88875664 × 5 that equals 444378320
+ 88875664 × 70 yielding 6221296480
+ 88875664 × 400 which equals 35550265600
+ 88875664 × 6000 that results in 533253984000
+ 88875664 × 10000 giving us 888756640000
+ 88875664 × 500000 producing 44437832000000
+ 88875664 × 4000000 giving us 355502656000000
+ 88875664 × 80000000 yielding 7110053120000000

= 7511457834564400
