Alright, let's work through 87327642 times 66469556 step by step
87327642 × 66469556 = 66469556 × (87327642)
+ 66469556 × 2 that results in 132939112
+ 66469556 × 40 which equals 2658782240
+ 66469556 × 600 yielding 39881733600
+ 66469556 × 7000 that equals 465286892000
+ 66469556 × 20000 yielding 1329391120000
+ 66469556 × 300000 giving us 19940866800000
+ 66469556 × 7000000 giving us 465286892000000
+ 66469556 × 80000000 that is equal 5317564480000000

= 5804629590266952
