The product of two inner terms is (1/5), one outer term is 8, and the other outer term is how much.
两个内项的积是(1/5)，一个外项是8，另一个外项是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / 8</gadget>
<output>1/40 = around 0.025</output>

<result>1/40 = around 0.025</result>