80 kilograms (1/8) is equal to how many kilograms (1/4).
80千克的(1/8)相当于多少千克的(1/4)．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">80 * (1/8)</gadget>
<output>10</output>

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

<gadget id="calculator">10 / (1/4)</gadget>
<output>40</output>

<result>40</result>