The master and the apprentice each process the same number of parts of the same kind. When the master completes his task (5/8), the apprentice completes 135 parts; when the master completes his task, the apprentice only completes his own task (8/9) , How many parts do the master and apprentice each have to process?
师徒两人各自加工同样多的同一种零件，当师傅完成自己任务的(5/8)时，徒弟完成135个零件；当师傅完成自己任务时，徒弟仅完成自己任务的(8/9)，师徒各自要加工多少个零件？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / (5/8)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">135 / (8/9)</gadget>
<output>1_215/8 = around 151.875</output>

<gadget id="calculator">(8/5) * (1_215/8)</gadget>
<output>243</output>

<result>243</result>