From February 25th to March 12th, 2012, Master Wang processed an average of 25 parts per day. How many parts were processed in total these days?
2012年二月25日到三月12日，王师傅平均每天加工零件25个，这些天一共加工零件多少个？
<gadget id="calculator">29 - 25</gadget>
<output>4</output>

<gadget id="calculator">4 + 1 + 12</gadget>
<output>17</output>

<gadget id="calculator">17 * 25</gadget>
<output>425</output>

<result>425</result>