The cube is 6*6*6=<<6*6*6=216>>216 cubic cm
So it has a mass of 216*19=<<216*19=4104>>4104 grams
So it uses 60*4104=$<<60*4104=246240>>246240
That means he sells it for 246240*1.5=$<<246240*1.5=369360>>369360
So he has a profit of 369360-246240=$<<369360-246240=123120>>123,120
#### 123120