Alright, let's work through 87270361 times 66892999 step by step
87270361 × 66892999 = 66892999 × (87270361)
+ 66892999 × 1 that is equal 66892999
+ 66892999 × 60 giving us 4013579940
+ 66892999 × 300 resulting in 20067899700
+ 66892999 × 0000 what gives us 0
+ 66892999 × 70000 resulting in 4682509930000
+ 66892999 × 200000 giving us 13378599800000
+ 66892999 × 7000000 yielding 468250993000000
+ 66892999 × 80000000 that equals 5351439920000000

= 5837776171102639
