Mother squirrel picks pine nuts. She can pick 20 pine nuts on sunny days, but only 12 on rainy days. She picked 112 pine nuts in a row, with an average of 14 per day. How many sunny days are there in these days?
松鼠妈妈采松子，晴天可采20个，雨天只能采12个，它一连采了112个松子，平均每天采14个，这几天当中有多少个晴天．
<gadget id="calculator">112 / 14</gadget>
<output>8</output>

<gadget id="calculator">12 * 8</gadget>
<output>96</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>

<result>2</result>