Runfa Supermarket sells beer. The ratio of the number of cases sold in August to the number of cases sold in July is 4:5. 180 cases were sold in August, how many cases were sold in July?
润发超市卖出啤酒，八月份卖出的箱数与七月份卖出的箱数比是4﹕5．八月份卖出了180箱，七月份卖出了多少箱？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">180 * (4/5)</gadget>
<output>144</output>

<result>144</result>