Calculation: 7.2*(1/4)+7.2*75%.
计算：7.2*(1/4)+7.2*75%．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">7.2 * (1/4)</gadget>
<output>1.8</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">7.2 * (3/4)</gadget>
<output>5.4</output>

<gadget id="calculator">1.8 + 5.4</gadget>
<output>7.2</output>

<result>7.2</result>