Alright, let's work through 87009758 times 71171598 step by step
87009758 × 71171598 = 71171598 × (87009758)
+ 71171598 × 8 which equals 569372784
+ 71171598 × 50 resulting in 3558579900
+ 71171598 × 700 that results in 49820118600
+ 71171598 × 9000 producing 640544382000
+ 71171598 × 00000 resulting in 0
+ 71171598 × 000000 producing 0
+ 71171598 × 7000000 resulting in 498201186000000
+ 71171598 × 80000000 that results in 5693727840000000

= 6192623518453284
