There are 180 pots of tulips in the flower garden of People’s Square, which is 15 pots less than three times the number of roses. How many pots of roses are there?
人民广场花圃中有180盆郁金香，比月季花的3倍少15盆，月季花有多少盆？
<gadget id="calculator">180 + 15</gadget>
<output>195</output>

<gadget id="calculator">195 / 3</gadget>
<output>65</output>

<result>65</result>