If the product of the two outer terms of the ratio is 1 and one inner term is (1/10), what is the other inner term.
如果比例的两个外项积是1，一个内项是(1/10)，则另一个内项是多少．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

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

<result>10</result>