Two masters and apprentices process a batch of parts. It takes 37 hours for the master to do it alone, and the apprentice can process 30 parts per hour. Now it is processed by the master and apprentice at the same time. When the task is completed, the number processed by the apprentice is that of the master (5/9). How many parts are there in total?
师徒两人加工一批零件，由师傅独做需37小时，徒弟每小时能加工30个零件．现由师徒两人同时加工．完成任务时，徒弟加工的个数是师傅的(5/9)．这批零件共有多少个．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">30 / (5/9)</gadget>
<output>54</output>

<gadget id="calculator">54 * 37</gadget>
<output>1_998</output>

<result>1_998</result>