It is known that Xiaohua needs to travel from A to B for 10 minutes, and Xiaoling needs to travel from B to A for 15 minutes. Xiaohua and Xiaoling walk towards each other from A and B at the same time. How many minutes will they meet?
已知小华从甲地到乙地要行10分钟，小玲从乙地到甲地要行15分钟，小华和小玲同时从甲乙两地相向而行几分钟两人相遇？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<result>6</result>