Xiaogang's mother spent 360 yuan on a sweater, accounting for 20% of the family's monthly expenditure. How much did Xiaogang's family spend this month?
小刚的妈妈买了一件毛衣花了360元，占家里这个月支出的20%，小刚家这个月一共花了多少钱？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">360 / (1/5)</gadget>
<output>1_800</output>

<result>1_800</result>