A ratio, the product of two inner terms is the smallest prime number, one of which is 0.6, and what is the other outer term.
一个比例，两个内项的积是最小的质数，其中一个外项是0.6，另一个外项是多少．
<gadget id="calculator">2 / 0.6</gadget>
<output>3.333333</output>

<result>3.333333</result>