The master and the apprentice each process the same number of parts. The master completes it in 5 hours and the apprentice in 8 hours. The master processes 12 more parts per hour than the apprentice. How many parts are processed by the master and the apprentice?
师、徒两人各加工同样数量的零件，师傅5小时完成，徒弟8小时完成，师傅每小时比徒弟多加工12个．师傅和徒弟各加工多少个零件？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/5) - (1/8)</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">12 / (3/40)</gadget>
<output>160</output>

<result>160</result>