The hound found a running hare 10 meters away from it, and immediately chased after it. The hound has big steps, it runs 5 steps, and the rabbit runs 9 steps, but the rabbit moves fast, the time the hound runs 2 steps, the rabbit can run 3 steps. Ask how many meters the hound must run to catch up with the rabbit.
猎犬发现在离它10米远的前方有一只奔跑着的野兔，马上紧追上去．猎犬的步子大，它跑5步的路程，兔子要跑9步，但是兔子的动作快，猎犬跑2步的时间，兔子却能跑3步．问猎犬至少跑多少米才能追上兔子．
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<result>60</result>