In a ratio, the product of two outer terms is 12, and one inner term is 24, what is the other inner term.
在一个比例中，两个外项的积是12，其中一个内项是24，则另一个内项是多少．
<gadget id="calculator">12 / 24</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>