Alright, let's work through 88180497 times 90828664 step by step
88180497 × 90828664 = 90828664 × (88180497)
+ 90828664 × 7 that results in 635800648
+ 90828664 × 90 that is equal 8174579760
+ 90828664 × 400 that is equal 36331465600
+ 90828664 × 0000 that is equal 0
+ 90828664 × 80000 that is equal 7266293120000
+ 90828664 × 100000 resulting in 9082866400000
+ 90828664 × 8000000 giving us 726629312000000
+ 90828664 × 80000000 resulting in 7266293120000000

= 8009316733366008
