The apprentice makes 48 parts per hour, and the master makes twice as much per hour as the apprentice. How many parts are the master and apprentice making together?
徒弟每小时做零件48个，师傅小时做的是徒弟的2倍，师傅和徒弟每小时共做零件多少个？
<gadget id="calculator">48 * 2</gadget>
<output>96</output>

<gadget id="calculator">96 + 48</gadget>
<output>144</output>

<result>144</result>