There are 84 peonies in the flower garden, 12 more Chinese roses than peonies, how many more roses than peonies?
花圃里有牡丹花84棵，月季花比牡丹花的3倍多12棵，月季花比牡丹花多多少棵？
<gadget id="calculator">84 * 3</gadget>
<output>252</output>

<gadget id="calculator">12 - 84</gadget>
<output>-72</output>

<gadget id="calculator">252 + (-72)</gadget>
<output>180</output>

<result>180</result>