Alright, let's work through 7477 times 70 step by step
7477 × 70 = 70 × (7477)
+ 70 × 7 that results in 490
+ 70 × 70 that is equal 4900
+ 70 × 400 giving us 28000
+ 70 × 7000 that is equal 490000

= 523390
