The master and the apprentice work together to process a batch of parts. The apprentice makes 30 parts a day, but the master only makes 6 days due to other business, which is 3 days less than the apprentice and makes 12 more parts than the apprentice. How many parts does the master make every day?
师徒两人共同加工一批零件，徒弟每天做30个，师傅因有事只做了6天，比徒弟少做了3天还比徒弟多做12个零件，师傅每天做几个？
<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<gadget id="calculator">30 * 9</gadget>
<output>270</output>

<gadget id="calculator">270 + 12</gadget>
<output>282</output>

<gadget id="calculator">282 / 6</gadget>
<output>47</output>

<result>47</result>