The green area of Xincheng Middle School this year is 1,800 square meters, which is 240 square meters more than (3/2) times that of last year. How many square meters was the green area last year? How many
新城中学今年绿化面积1800平方米，比去年的绿化面积的(3/2)倍还多240平方米，去年绿化面积是多少平方米？多少
<gadget id="calculator">1_800 - 240</gadget>
<output>1_560</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1_560 / (3/2)</gadget>
<output>1_040</output>

<result>1_040</result>