Alright, let's work through 1667 times 6513 step by step
1667 × 6513 = 6513 × (1667)
+ 6513 × 7 that is equal 45591
+ 6513 × 60 resulting in 390780
+ 6513 × 600 what gives us 3907800
+ 6513 × 1000 what gives us 6513000

= 10857171
