Alright, let's work through 5139 times 7500 step by step
5139 × 7500 = 7500 × (5139)
+ 7500 × 9 giving us 67500
+ 7500 × 30 what gives us 225000
+ 7500 × 100 resulting in 750000
+ 7500 × 5000 that equals 37500000

= 38542500
