Alright, let's work through 5983 times 6611 step by step
5983 × 6611 = 6611 × (5983)
+ 6611 × 3 what gives us 19833
+ 6611 × 80 giving us 528880
+ 6611 × 900 what gives us 5949900
+ 6611 × 5000 yielding 33055000

= 39553613
