The dog chases the fox, the dog advances 1.8 meters in one jump, and the fox advances 1.1 meters in one jump. The fox hops exactly 3 times for every 2 hops the dog makes. If the dog is 30 meters away from the fox at the beginning, how many meters can the dog run to catch up with the fox?
狗追狐狸，狗跳一次前进1.8米，狐狸跳一次前进1.1米．狗每跳两次时狐狸恰好跳3次．如果开始时狗离狐狸有30米，那么狗跑多少米才能追上狐狸．
<gadget id="calculator">1.8 * 2</gadget>
<output>3.6</output>

<gadget id="calculator">1.1 * 3</gadget>
<output>3.3</output>

<gadget id="calculator">3.6 - 3.3</gadget>
<output>0.3</output>

<gadget id="calculator">30 / 0.3</gadget>
<output>100</output>

<gadget id="calculator">3.6 * 100</gadget>
<output>360</output>

<result>360</result>