If one acute angle of a right-angled trapezoid is 48°, what is the measure of the other obtuse angle?
一个直角梯形的一个锐角为48°，它的另一个钝角的度数为多少．
<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">360 - 180 - 48</gadget>
<output>132</output>

<result>132</result>