How many of the following can be proportional to 2, 3, 4?
下面多少能与2、3、4组成比例．
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<result>8/3 = around 2.666667</result>