Two shopping malls, A and B, sell washing machines. In January, shopping mall A sold 720 washing machines, which was 1/5 more than shopping mall B. How many more washing machines did shopping mall A sell than shopping mall B?
甲乙两个商场出售洗衣机，一月份甲商场共售出720台，比乙商场多售出(1/5)，甲商场比乙商场多售出多少台？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">720 / (6/5)</gadget>
<output>600</output>

<gadget id="calculator">720 - 600</gadget>
<output>120</output>

<result>120</result>