Grandma bought 15 meters of silk rope to weave "Chinese knots", and weaved 18 pieces, using 14.4 meters of silk rope. How many meters of silk rope is used for each "Chinese knot"?
奶奶买来15米丝绳编"中国结"，编了18个，用了14.4米丝绳．每个"中国结"用多少米丝绳？
<gadget id="calculator">14.4 / 18</gadget>
<output>0.8</output>

<result>0.8</result>