It takes (3/4)m colored rope to make a Chinese knot. Xiaoying made 6 of them. How much rice colored rope was used?
做一个中国结需要(3/4)m彩绳，小英做了6个，一共用了多少米彩绳？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 6</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>