Alright, let's work through 7518 times 681 step by step
7518 × 681 = 681 × (7518)
+ 681 × 8 what gives us 5448
+ 681 × 10 that results in 6810
+ 681 × 500 that results in 340500
+ 681 × 7000 that results in 4767000

= 5119758
