Dongfang Home Appliances Mall sold 450 color TV sets in May, which was more than the number sold in June (1/9). How many color TV sets were sold in June?
东方家电商城，五月份卖出彩电450台，比六月份卖出的台数多(1/9)．六月份卖出彩电多少台？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">450 / (10/9)</gadget>
<output>405</output>

<result>405</result>