Alright, let's work through 7139 times 6744 step by step
7139 × 6744 = 6744 × (7139)
+ 6744 × 9 that equals 60696
+ 6744 × 30 giving us 202320
+ 6744 × 100 yielding 674400
+ 6744 × 7000 yielding 47208000

= 48145416
