The area of the sector is 150 square centimeters, and its central angle is 150°. What is the area of the circle it is in?
扇形的面积是150平方厘米，它的圆心角是150°，它所在的圆的面积是多少．
<gadget id="calculator">150 / 360</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">150 / (5/12)</gadget>
<output>360</output>

<result>360</result>