Xiaoming’s family spent 50 yuan on books and 310 yuan on travel, and the remaining expenses accounted for (2/5) of the total expenditure. How much is the total expenditure of Xiaoming’s family?
小明家买书用了50元，旅游用了310元，其余开支占总支出的(2/5)，小明家的总支出是多少元？
<gadget id="calculator">50 + 310</gadget>
<output>360</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">360 / (3/5)</gadget>
<output>600</output>

<result>600</result>