It is known that the middle term of the ratio between (4/3) and x is 6, then x=how much.
已知(4/3)与x的比例中项是6，则x=多少．
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">36 / (4/3)</gadget>
<output>27</output>

<result>27</result>