The master and the apprentice work together to process a batch of parts. The apprentice's task is the master's (2/3), and the master-student work-efficiency ratio is 4:3. When the apprentice completes the task, the master has 180 left. How many parts are there in total?
师徒两人共同加工一批零件，徒弟的任务是师傅的(2/3)，师徒工效比4：3，徒弟完成任务时，师傅还剩180个，求这批零件共有多少个？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 3</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(2/15) * 4</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">(3/5) - (8/15)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">180 / (1/15)</gadget>
<output>2_700</output>

<result>2_700</result>