The weather is getting colder. A down jacket store sold 200 down jackets this month, 25% more than last month. How many down jackets did this down jacket store sell last month?
天气转冷，一家羽绒服店这个月卖出了200件羽绒服，比上个月多卖出25%，这家羽绒服店上个月卖出多少件羽绒服？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">200 / (5/4)</gadget>
<output>160</output>

<result>160</result>