Master Li starts processing parts at 9:30 in the morning and ends get off work at 11:30, processing 105 parts per hour. How many parts does he process in total in the morning?
李师傅从上午9：30开始加工零件，到11：30下班，每小时加工105个零件，他上午共加工多少个零件？
<gadget id="calculator">105 * 2</gadget>
<output>210</output>

<result>210</result>