Alright, let's work through 87133938 times 46647086 step by step
87133938 × 46647086 = 46647086 × (87133938)
+ 46647086 × 8 producing 373176688
+ 46647086 × 30 which equals 1399412580
+ 46647086 × 900 that results in 41982377400
+ 46647086 × 3000 that results in 139941258000
+ 46647086 × 30000 giving us 1399412580000
+ 46647086 × 100000 that results in 4664708600000
+ 46647086 × 7000000 which equals 326529602000000
+ 46647086 × 80000000 that results in 3731766880000000

= 4064544299404668
