There are 80 grams in a cup of sugar water, and the sugar content is 12.5%. If you add 20 grams of sugar, what will the sugar content be?
一杯糖水有80克，含糖率是12.5%．如果再放进20克糖，含糖率变成多少
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">80 * 0.125</gadget>
<output>10</output>

<gadget id="calculator">20 + 10</gadget>
<output>30</output>

<gadget id="calculator">20 + 80</gadget>
<output>100</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(3/10) * 1</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>