The mother squirrel picks pine nuts. She can pick 20 nuts a day on sunny days and only 12 nuts on rainy days. It picked a total of 112 pine nuts for several consecutive days, with an average of 14 pine nuts per day. How many of these days are rainy days?
松鼠妈妈采松子，晴天每天可以采20个，雨天每天只能采12个．它连续几天共采了112个松子，平均每天采14个．这几天中有多少天是雨天．
<gadget id="calculator">112 / 14</gadget>
<output>8</output>

<gadget id="calculator">112 - 96</gadget>
<output>16</output>

<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<result>6</result>