A hunting dog is chasing a rabbit 20 meters ahead. It is known that the hunting dog moves forward 3 meters with one jump, and the rabbit moves forward 2 meters with one jump. The rabbit can jump 4 times when the hunting dog hops 3 times.
一只猎狗正在追赶前方20米处的兔子，已知猎狗一跳前进3米，兔子一跳前进2米，猎狗跳3次的时间兔子可以跳4次，兔子跑多少米后被猎狗追上．
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">9 - 8</gadget>
<output>1</output>

<gadget id="calculator">20 / 1</gadget>
<output>20</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<result>160</result>