Calculation: (2/5)*((25/2)+0.75)=how much.
计算：(2/5)*((25/2)+0.75)=多少．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 / 2</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">(25/2) + 0.75</gadget>
<output>13.25</output>

<gadget id="calculator">(2/5) * 13.25</gadget>
<output>5.3</output>

<result>5.3</result>