Mark constructs a cube of pure gold.  The cube is 6 cm on each side.  The density of gold is 19 grams per cubic centimeter.  He buys the gold for $60 per gram.  He sells it for 1.5 times its gold value.  What was the profit?
The cube is 6*6*6=
<gadget id="calculator">6*6*6</gadget>
<output>216</output>
216 cubic cm.
So it has a mass of 216*19=
<gadget id="calculator">216*19</gadget>
<output>4_104</output>
4104 grams.
So it uses 60*4104=$
<gadget id="calculator">60*4104</gadget>
<output>246_240</output>
246240.
That means he sells it for 246240*1.5=$
<gadget id="calculator">246240*1.5</gadget>
<output>369_360</output>
369360.
So he has a profit of 369360-246240=$
<gadget id="calculator">369360-246240</gadget>
<output>123_120</output>
123,120.

<result>123_120</result>