No problem, we've got 99866342 and 52380427 to multiply
99866342 × 52380427 = 52380427 × (99866342)
+ 52380427 × 2 resulting in 104760854
+ 52380427 × 40 that is equal 2095217080
+ 52380427 × 300 what gives us 15714128100
+ 52380427 × 6000 what gives us 314282562000
+ 52380427 × 60000 which equals 3142825620000
+ 52380427 × 800000 that results in 41904341600000
+ 52380427 × 9000000 that is equal 471423843000000
+ 52380427 × 90000000 what gives us 4714238430000000

= 5231041636888034
