Alright, let's work through 7370437 times 37878169 step by step
7370437 × 37878169 = 37878169 × (7370437)
+ 37878169 × 7 resulting in 265147183
+ 37878169 × 30 yielding 1136345070
+ 37878169 × 400 that equals 15151267600
+ 37878169 × 0000 that is equal 0
+ 37878169 × 70000 which equals 2651471830000
+ 37878169 × 300000 that results in 11363450700000
+ 37878169 × 7000000 giving us 265147183000000

= 279178658289853
