A classroom is 90 decimeters long and 80 decimeters wide. There are 36 students sitting in it. How many square meters does each student occupy on average?
一间教室长90分米，宽80分米，一共坐了36个同学，平均每个同学占地多少平方米？
<gadget id="calculator">80 / 100 / 36</gadget>
<output>1/45 = around 0.022222</output>

<gadget id="calculator">90 * (1/45)</gadget>
<output>2</output>

<result>2</result>