Alright, let's work through 3598 times 2415 step by step
3598 × 2415 = 2415 × (3598)
+ 2415 × 8 what gives us 19320
+ 2415 × 90 which equals 217350
+ 2415 × 500 that equals 1207500
+ 2415 × 3000 giving us 7245000

= 8689170
