The little squirrel picks pine nuts, 12 per day on rainy days and 20 per day on sunny days. It picked 112 pine nuts for several days in a row, with an average of 14 per day. How many of these days were sunny?
小松鼠采松子，雨天每天采12个，晴天每天可采20个．它一连几天采了112个松子，平均每天采14个，问这几天当中有多少天是晴天？
<gadget id="calculator">112 / 14</gadget>
<output>8</output>

<gadget id="calculator">8 * 20</gadget>
<output>160</output>

<gadget id="calculator">160 - 112</gadget>
<output>48</output>

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

<gadget id="calculator">48 / 8</gadget>
<output>6</output>

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

<result>2</result>