We're going to solve 80356230 multiplied by 4020031
80356230 × 4020031 = 4020031 × (80356230)
+ 4020031 × 0 which equals 0
+ 4020031 × 30 that is equal 120600930
+ 4020031 × 200 which equals 804006200
+ 4020031 × 6000 that is equal 24120186000
+ 4020031 × 50000 resulting in 201001550000
+ 4020031 × 300000 yielding 1206009300000
+ 4020031 × 0000000 that is equal 0
+ 4020031 × 80000000 that is equal 321602480000000

= 323034535643130
