Alright, let's work through 1599 times 9115 step by step
1599 × 9115 = 9115 × (1599)
+ 9115 × 9 giving us 82035
+ 9115 × 90 that equals 820350
+ 9115 × 500 what gives us 4557500
+ 9115 × 1000 that equals 9115000

= 14574885
