Alright, let's work through 5985 times 6691 step by step
5985 × 6691 = 6691 × (5985)
+ 6691 × 5 that equals 33455
+ 6691 × 80 that is equal 535280
+ 6691 × 900 which equals 6021900
+ 6691 × 5000 that equals 33455000

= 40045635
