What is the sum of 5 (1/20) plus 7 (1/20)?
5个(1/20)加上7个(1/20)，和是多少？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">5 * (1/20)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">7 * (1/20)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(1/4) + (7/20)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>