The silver has a volume of 3*3*3=<<3*3*3=27>>27 cubic inches
So it weighs 27*6=<<27*6=162>>162 ounces
So its value is 162*25=$<<162*25=4050>>4050
That means he sold it for 4050*1.1=$<<4050*1.1=4455>>4455
#### 4455