The mother rabbit picks mushrooms 16 times a day on sunny days, but only 11 times a day on rainy days. She has picked mushrooms a total of 195 times, with an average of 13 times a day. How many days are sunny?
兔妈妈采蘑菇，晴天每天采16次，雨天每天只能采11次，它一共采了195次，平均每天采13次，这几天中有几天是晴天？
<gadget id="calculator">195 / 13</gadget>
<output>15</output>

<gadget id="calculator">15 * 16</gadget>
<output>240</output>

<gadget id="calculator">240 - 195</gadget>
<output>45</output>

<gadget id="calculator">16 - 11</gadget>
<output>5</output>

<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<gadget id="calculator">15 - 9</gadget>
<output>6</output>

<result>6</result>