No problem, we've got 7745 and 500 to multiply
7745 × 500 = 500 × (7745)
+ 500 × 5 giving us 2500
+ 500 × 40 giving us 20000
+ 500 × 700 that results in 350000
+ 500 × 7000 that results in 3500000

= 3872500
