The area of a rectangle is 36 square centimeters. If the length remains the same and the width increases from 5 centimeters to 10 centimeters, what is the area now?
长方形面积36平方厘米，如果长不变，宽从5厘米增加到10厘米，现在面积是多少．
<gadget id="calculator">36 / 5</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">(36/5) * 10</gadget>
<output>72</output>

<result>72</result>