The product of two inner terms of a proportion is (1/8), one of which is 20%, and what is the other outer term.
一个比例的两个内项之积是(1/8)，其中一个外项是20%，另一个外项为多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/8) / (1/5)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>