From A to B, 30% of the road is uphill, 50% is flat, and the rest is downhill. Uncle Wang walked back and forth from place A to place B once, for a total of 1.2 kilometers uphill. Ask Uncle Wang how many kilometers he traveled in total?
从甲地到乙地，其中30%是上坡路，50%是平坦路，其余是下坡路．王叔叔从甲地到乙地来回走了一次，共行上坡路1.2千米．问王叔叔共行了多少千米的路程？
<gadget id="calculator">1.2 / 0.5</gadget>
<output>2.4</output>

<result>2.4</result>