Alright, let's work through 7750 times 4994 step by step
7750 × 4994 = 4994 × (7750)
+ 4994 × 0 that equals 0
+ 4994 × 50 what gives us 249700
+ 4994 × 700 yielding 3495800
+ 4994 × 7000 that is equal 34958000

= 38703500
