Alright, let's work through 7742 times 87 step by step
7742 × 87 = 87 × (7742)
+ 87 × 2 which equals 174
+ 87 × 40 yielding 3480
+ 87 × 700 resulting in 60900
+ 87 × 7000 that results in 609000

= 673554
