Computer City sold 108 computers in September, an increase of (1/5) compared to August. How many computers did Computer City sell in August?
电脑城九月份卖出电脑108台，比八月份增加了(1/5)．电脑城八月份卖出电脑多少台？
<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">108 / (6/5)</gadget>
<output>90</output>

<result>90</result>