Alright, let's work through 1587 times 4098 step by step
1587 × 4098 = 4098 × (1587)
+ 4098 × 7 giving us 28686
+ 4098 × 80 what gives us 327840
+ 4098 × 500 that is equal 2049000
+ 4098 × 1000 resulting in 4098000

= 6503526
