Type a manuscript of 5400 words, A alone typed 3 hours to complete all (1/4), B alone typed 2 hours to complete all (1/9). A and B play together for 1 hour, how many more words does A type than B?
打1份稿件5400字，甲单独打3小时完成全部的(1/4)，乙单独打2小时完成全部的(1/9)．甲乙两人合打1小时，甲比乙多打多少字？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 3</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">5_400 * (1/12)</gadget>
<output>450</output>

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

<gadget id="calculator">(1/9) / 2</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">5_400 * (1/18)</gadget>
<output>300</output>

<gadget id="calculator">450 - 300</gadget>
<output>150</output>

<result>150</result>