Alright, let's work through 7903 times 5663 step by step
7903 × 5663 = 5663 × (7903)
+ 5663 × 3 that is equal 16989
+ 5663 × 00 what gives us 0
+ 5663 × 900 that equals 5096700
+ 5663 × 7000 which equals 39641000

= 44754689
