Alright, let's work through 3540 times 4346 step by step
3540 × 4346 = 4346 × (3540)
+ 4346 × 0 that is equal 0
+ 4346 × 40 yielding 173840
+ 4346 × 500 yielding 2173000
+ 4346 × 3000 giving us 13038000

= 15384840
