In a ratio, the product of two inner terms is (2/3), one of the outer terms is (1/3), and what is the other outer term.
在一个比例中，两个内项的积是(2/3)，其中一个外项是(1/3)，另一个外项是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) / (1/3)</gadget>
<output>2</output>

<result>2</result>