Alright, let's work through 1373 times 5903 step by step
1373 × 5903 = 5903 × (1373)
+ 5903 × 3 that is equal 17709
+ 5903 × 70 giving us 413210
+ 5903 × 300 producing 1770900
+ 5903 × 1000 yielding 5903000

= 8104819
