Alright, let's work through 87324013 times 78740360 step by step
87324013 × 78740360 = 78740360 × (87324013)
+ 78740360 × 3 what gives us 236221080
+ 78740360 × 10 what gives us 787403600
+ 78740360 × 000 that is equal 0
+ 78740360 × 4000 what gives us 314961440000
+ 78740360 × 20000 producing 1574807200000
+ 78740360 × 300000 that results in 23622108000000
+ 78740360 × 7000000 producing 551182520000000
+ 78740360 × 80000000 which equals 6299228800000000

= 6875924220264680
