Master Wang processes 42 parts per hour, Xiao Li processes 37 parts per hour, and the two work at the same time for 6 hours. How many parts does Master Wang process more than Xiao Li?
王师傅每小时加工42个零件，小李每小时加工37个零件，两人同时加工6小时，王师傅比小李多加工多少个零件？
<gadget id="calculator">42 - 37</gadget>
<output>5</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>