The product of the outer term of a ratio is 5.6, the inner term of one is 7, and what is the inner term of the other.
一个比例的外项之积是5.6，一个内项是7，另一个内项是多少．
<gadget id="calculator">5.6 / 7</gadget>
<output>0.8</output>

<result>0.8</result>