4 (1/8) is equal to how many (1/10).
4个(1/8)与多少个(1/10)相等．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">(1/8) * 40</gadget>
<output>5</output>

<result>5</result>