Alright, let's work through 87667077 times 66116870 step by step
87667077 × 66116870 = 66116870 × (87667077)
+ 66116870 × 7 that is equal 462818090
+ 66116870 × 70 producing 4628180900
+ 66116870 × 000 what gives us 0
+ 66116870 × 7000 giving us 462818090000
+ 66116870 × 60000 resulting in 3967012200000
+ 66116870 × 600000 yielding 39670122000000
+ 66116870 × 7000000 resulting in 462818090000000
+ 66116870 × 80000000 resulting in 5289349600000000

= 5796272733288990
