A and B jointly process a batch of parts, and they cooperate to complete (1/3) of this batch of parts in 3 days. A processes 48 parts per day, and B alone takes 15 days to complete. How many parts are there in total?
甲乙二人共同加工一批零件，二人合作3天完成了这批零件的(1/3)．甲每天加工48个，乙单独完成需15天，这批零件共有多少个？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 3</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/9) - (1/15)</gadget>
<output>2/45 = around 0.044444</output>

<gadget id="calculator">1 / (2/45)</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">(45/2) * 48</gadget>
<output>1_080</output>

<result>1_080</result>