Alright, let's work through 5815 times 5346 step by step
5815 × 5346 = 5346 × (5815)
+ 5346 × 5 what gives us 26730
+ 5346 × 10 giving us 53460
+ 5346 × 800 yielding 4276800
+ 5346 × 5000 that results in 26730000

= 31086990
