Beibei said that it took him 3 hours to input a manuscript (1/3) into the computer, and Jin Jin said that she could finish recording it in 6 hours. Please do the math, if two people use the computer to enter this manuscript at the same time, How many hours can I finish recording this manuscript?
贝贝说往电脑中录入一份稿件的(1/3)他需要3小时，津津说她用6小时就可以全部录完，请你算一算，若两人同时用电脑录入这份稿件，几小时可以将这份稿件全部录完？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / (1/3)</gadget>
<output>9</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/9) + (1/6)</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">1 / (5/18)</gadget>
<output>18/5 = around 3.6</output>

<result>18/5 = around 3.6</result>