Alright, let's work through 1557 times 4185 step by step
1557 × 4185 = 4185 × (1557)
+ 4185 × 7 which equals 29295
+ 4185 × 50 giving us 209250
+ 4185 × 500 what gives us 2092500
+ 4185 × 1000 yielding 4185000

= 6516045
