If the interior angle of a right trapezoid is 75°, what is the interior angle of the other that is not 90°?
一个直角梯形的内角是75°，另一个不是90°的内角是多少度．
<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">360 - 180 - 75</gadget>
<output>105</output>

<result>105</result>