Processing a batch of parts, it takes 6 days for A alone to complete, and 5 days for B to complete alone. Now A, B, C, and D work together to complete the task in one day. It is known that C, D, and A and B make 48 more parts than A, B, then this batch How many parts are there in total?
加工一批零件，甲单独做要6天完成，乙单独做要5天完成，现甲乙丙丁四人合做一天完成了任务，已知丙丁两人比甲乙两人多做48个，那么这批零件一共有多少个？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/6) + (1/5)</gadget>
<output>11/30 = around 0.366667</output>

<gadget id="calculator">1 - (11/30) - (11/30)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">48 / (4/15)</gadget>
<output>180</output>

<result>180</result>