It takes (1/2) hour for Xiaoming to travel from A to B, and (1/3) hour for Xiaojun to travel from B to A. The two start from A and B respectively at the same time, and meet after how many hours.
小明从A地到B地要(1/2)小时，小军从B地到A地要(1/3)小时，两人同时分别从A、B两地出发，多少小时后相遇．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / (1/2)</gadget>
<output>2</output>

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

<gadget id="calculator">1 / (1/3)</gadget>
<output>3</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>