Alright, let's work through 5478 times 7057 step by step
5478 × 7057 = 7057 × (5478)
+ 7057 × 8 that equals 56456
+ 7057 × 70 resulting in 493990
+ 7057 × 400 that is equal 2822800
+ 7057 × 5000 giving us 35285000

= 38658246
