Alright, let's work through 5185 times 1816 step by step
5185 × 1816 = 1816 × (5185)
+ 1816 × 5 producing 9080
+ 1816 × 80 yielding 145280
+ 1816 × 100 what gives us 181600
+ 1816 × 5000 giving us 9080000

= 9415960
