What is the number that is 20% more than 50?
比50多20%的数是多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">50 * (1/5)</gadget>
<output>10</output>

<gadget id="calculator">10 + 50</gadget>
<output>60</output>

<result>60</result>