garment factory produced 1,500 sets of garments in April, which was 1/4 more than in March. How many sets of garments were produced in March?
某服装厂四月份生产服装1500套，比三月份多(1/4)，三月份生产服装多少套？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1_500 / (5/4)</gadget>
<output>1_200</output>

<result>1_200</result>