Master Wang processed a batch of parts. On the first day, he processed (1/5), and on the second day, he processed 30 more. At this time, the ratio of the number of processed parts to the number of unprocessed parts is 2:3. How many parts are there in total? ?
王师傅加工一批零件，第一天加工了(1/5)，第二天又加工了30个，这时已加工的与未加工的个数比是2：3，这批零件一共多少个？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

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

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

<gadget id="calculator">(2/5) - (1/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">30 / (1/5)</gadget>
<output>150</output>

<result>150</result>