Alright, let's work through 6371994 times 37495621 step by step
6371994 × 37495621 = 37495621 × (6371994)
+ 37495621 × 4 which equals 149982484
+ 37495621 × 90 giving us 3374605890
+ 37495621 × 900 which equals 33746058900
+ 37495621 × 1000 that is equal 37495621000
+ 37495621 × 70000 which equals 2624693470000
+ 37495621 × 300000 resulting in 11248686300000
+ 37495621 × 6000000 that is equal 224973726000000

= 238921872038274
