If the result of 5x-3 is 22, what is the result of 15x-9?
如果5x-3的结果是22，那么15x-9的结果是多少．
<gadget id="calculator">3 + 22</gadget>
<output>25</output>

<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<gadget id="calculator">75 - 9</gadget>
<output>66</output>

<result>66</result>