Match 6, 9, 3 with a number to form a ratio. How many numbers can be matched?
将6、9、3再配上一个数组成比例，配上的数可以是多少？
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * (1/3)</gadget>
<output>2</output>

<result>2</result>