The diameter of a car wheel is 0.5 meters, and the diameter of a jeep wheel is (1/5) larger than that of a car. How many meters does the jeep travel when the wheel rolls once?
小汽车车轮的直径是0.5米，吉普车车轮的直径比小汽车的大(1/5)．吉普车车轮滚动一圈，行驶多少米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">0.5 * (6/5)</gadget>
<output>0.6</output>

<gadget id="calculator">3.14 * 0.6</gadget>
<output>1.884</output>

<result>1.884</result>