There are 75 pots of chrysanthemums in the garden, 15 pots of rose flowers are 12 times less than chrysanthemums. How many pots are there rose flowers in the garden?
花园里有75盆菊花，月季花比菊花的12倍少15盆．花园里有月季花多少盆？
<gadget id="calculator">75 * 12</gadget>
<output>900</output>

<gadget id="calculator">900 - 15</gadget>
<output>885</output>

<result>885</result>