One person weeds the crops. He weeds 12 mu per day on rainy days and 20 mu per day on sunny days. This person weeds a total of 112 mu per day for several days. Calculated in this way, we weed 14 mu per day. How many days does it rain during these few days?
一人给农作物除草，下雨天每天除草12亩，晴天每天除草20亩，此人一连几天共除草112亩，这样计算下来每天除草14亩，那么在这几天中，下雨有多少天．
<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>

<result>6</result>