No problem, we've got 10990203 and 31209040 to multiply
10990203 × 31209040 = 31209040 × (10990203)
+ 31209040 × 3 which equals 93627120
+ 31209040 × 00 producing 0
+ 31209040 × 200 that is equal 6241808000
+ 31209040 × 0000 yielding 0
+ 31209040 × 90000 resulting in 2808813600000
+ 31209040 × 900000 giving us 28088136000000
+ 31209040 × 0000000 producing 0
+ 31209040 × 10000000 what gives us 312090400000000

= 342993685035120
