The quantity (3/5) of children's garments produced by Zhonghua Garment Factory is equal to the quantity (1/2) of adult garments, 4500 sets of children's garments were produced, how many sets of adult garments were produced?
中华服装厂生产儿童服装数量的(3/5)同成人服装数量的(1/2)相等，儿童服装生产了4500套，成人服装生产了多少套？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/5) / (1/2)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">4_500 * (6/5)</gadget>
<output>5_400</output>

<result>5_400</result>