We're going to solve 87121068 multiplied by 80681742
87121068 × 80681742 = 80681742 × (87121068)
+ 80681742 × 8 that is equal 645453936
+ 80681742 × 60 that equals 4840904520
+ 80681742 × 000 that is equal 0
+ 80681742 × 1000 that equals 80681742000
+ 80681742 × 20000 that equals 1613634840000
+ 80681742 × 100000 producing 8068174200000
+ 80681742 × 7000000 producing 564772194000000
+ 80681742 × 80000000 producing 6454539360000000

= 7029079531140456
