Both master and apprentice work 8 hours a day, the master assembles 6 bicycles per hour, and the apprentice assembles 4 bicycles per hour. How many more bicycles does the master assemble than the apprentice on this day?
师傅和徒弟一天都工作8小时，师傅每小时组装6辆自行车，徒弟每小时组装4辆自行车．这一天师傅比徒弟多组装几辆自行车？
<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">2 * 8</gadget>
<output>16</output>

<result>16</result>