After a batch of clothing is sold (2/13), another 30 pieces are sold. At this time, the number of clothing sold is exactly the number of remaining clothing (5/8). How many pieces of clothing are there in this batch?
一批服装卖掉(2/13)后，又卖掉30件，这时卖出服装的数量正好是剩下服装数量的(5/8)，这批服装原来有多少件？
<gadget id="calculator">5 + 8</gadget>
<output>13</output>

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<gadget id="calculator">2 / 13</gadget>
<output>2/13 = around 0.153846</output>

<gadget id="calculator">(5/13) - (2/13)</gadget>
<output>3/13 = around 0.230769</output>

<gadget id="calculator">30 / (3/13)</gadget>
<output>130</output>

<result>130</result>