In 1985, the total food expenditure accounted for 65% of the total household expenditure, and the total other expenditure accounted for 35% of the total household expenditure. In 1985, the food expenditure was 210 yuan more than other expenditures. How much is the total expenditure of this family?
1985年食品支出总额占家庭总支出的65%，其它支出总额占家庭总支出的35%，1985年食品支出比其它支出多210元，这个家庭的总支出是多少元？
<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(13/20) - (7/20)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">210 / (3/10)</gadget>
<output>700</output>

<result>700</result>