A rides a bicycle and B walks. The two walked toward each other from the east and west respectively. When they met, A traveled 8.4 kilometers further than B. (1/5) of the distance traveled by A is equal to (1/3) of the distance traveled by B. How many kilometers is the distance between East and West?
甲骑自行车，乙步行．两人分别从东、西两地同时相向而行．相遇时甲比乙多行8.4千米．甲所行路程的(1/5)与乙所行路程的(1/3)相等．东、西两地相距多少千米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">8.4 * (1/5)</gadget>
<output>1.68</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) - (1/5)</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">1.68 / (2/15)</gadget>
<output>12.6</output>

<gadget id="calculator">12.6 + 12.6 + 8.4</gadget>
<output>33.6</output>

<result>33.6</result>