5 times of a number is 30, how much is 9 times of this number
一个数的5倍是30，这个数的9倍是多少
<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<result>54</result>