columns. Do not calculate: what percentage is 10 tons more than 8 tons?
列式．不计算：10吨比8吨多百分之几？
<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>