Alright, let's work through 7570 times 90 step by step
7570 × 90 = 90 × (7570)
+ 90 × 0 producing 0
+ 90 × 70 that equals 6300
+ 90 × 500 that results in 45000
+ 90 × 7000 that results in 630000

= 681300
