The ratio of the number of beer cases sold in a supermarket in August to the number of cases sold in July is 3:4, 105 cases were sold in August, how many cases were sold in July.
某超市八月份卖出的啤酒箱数与七月份卖出的箱数的比是3：4，八月份卖出105箱，七月份卖出多少箱．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">105 * (4/3)</gadget>
<output>140</output>

<result>140</result>