A ratio can be formed by using (3/8), (3/5), (1/8) and how much.
用(3/8)、(3/5)、(1/8)和多少可以组成一个比例．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(3/8) / (1/8)</gadget>
<output>3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 3</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>