The work efficiency ratio of master and apprentice processing one kind of parts is 5:3. They start work at the same time in the morning, and a total of 480 parts are processed by the end of the work. How many more parts are processed by the master than the apprentice?
师徒加工一种零件的工作效率比是5：3，早上同时开工，收工时共加工了480个，师傅比徒弟多加工多少个？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(5/8) - (3/8)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">480 * (1/4)</gadget>
<output>120</output>

<result>120</result>