What is the difference between (1/3) of 75 minus 15 (1/2)?
75的(1/3)减去15个(1/2)，差是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">75 * (1/3)</gadget>
<output>25</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 15</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">25 - (15/2)</gadget>
<output>35/2 = around 17.5</output>

<result>35/2 = around 17.5</result>