Alright, let's work through 7902 times 5637 step by step
7902 × 5637 = 5637 × (7902)
+ 5637 × 2 producing 11274
+ 5637 × 00 giving us 0
+ 5637 × 900 giving us 5073300
+ 5637 × 7000 giving us 39459000

= 44543574
