Let's calculate 45378310 x 31603631
45378310 × 31603631 = 31603631 × (45378310)
+ 31603631 × 0 that results in 0
+ 31603631 × 10 that results in 316036310
+ 31603631 × 300 that equals 9481089300
+ 31603631 × 8000 that results in 252829048000
+ 31603631 × 70000 that results in 2212254170000
+ 31603631 × 300000 which equals 9481089300000
+ 31603631 × 5000000 that equals 158018155000000
+ 31603631 × 40000000 giving us 1264145240000000

= 1434119364643610
