Alright, let's work through 87886335 times 99067359 step by step
87886335 × 99067359 = 99067359 × (87886335)
+ 99067359 × 5 that equals 495336795
+ 99067359 × 30 giving us 2972020770
+ 99067359 × 300 that results in 29720207700
+ 99067359 × 6000 giving us 594404154000
+ 99067359 × 80000 that equals 7925388720000
+ 99067359 × 800000 that equals 79253887200000
+ 99067359 × 7000000 that is equal 693471513000000
+ 99067359 × 80000000 resulting in 7925388720000000

= 8706667100639265
