A, B, and C work together to process a batch of parts. The ratio of the parts processed by A to the total number of parts processed by B and C is 1:2. A and C process a total of 135 parts. (1/4), how many parts are there in this batch?
甲、乙、丙三人共同加工一批零件，甲加工的零件与乙、丙两人加工的零件总数比是1：2，甲、丙两人共加工135个，乙加工了这批零件的(1/4)，这批零件共有几个？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">135 / (3/4)</gadget>
<output>180</output>

<result>180</result>