A garment factory received an order for a batch of garments. It was originally planned to be completed in 14 days. In fact, because 75 sets were produced every day, the task was completed 5 days ahead of schedule. How many sets of garments were originally planned to be produced per day?
一个制衣厂接到一批服装的订单，原计划14天完成，实际由于每天多制作75套，结果提前5天完成任务，原计划每天制作多少套服装？
<gadget id="calculator">75 * 14</gadget>
<output>1_050</output>

<gadget id="calculator">75 * 5</gadget>
<output>375</output>

<gadget id="calculator">1_050 - 375</gadget>
<output>675</output>

<gadget id="calculator">5 - 14</gadget>
<output>-9</output>

<gadget id="calculator">14 + (-9)</gadget>
<output>5</output>

<gadget id="calculator">675 / 5</gadget>
<output>135</output>

<result>135</result>