A classroom is 7.4 meters long and 6.3 meters wide. What is the size of this classroom in square meters?
一间教室长7.4米，宽6.3米．这间教室的面积是多少平方米？
<gadget id="calculator">7.4 * 6.3</gadget>
<output>46.62</output>

<result>46.62</result>