Alright, let's work through 3186 times 5263 step by step
3186 × 5263 = 5263 × (3186)
+ 5263 × 6 what gives us 31578
+ 5263 × 80 what gives us 421040
+ 5263 × 100 what gives us 526300
+ 5263 × 3000 giving us 15789000

= 16767918
