Given a right triangle in which the largest angle is 2° more than four times the smallest angle, what is the smallest angle?
有一个直角三角形，其中最大角的度数比最小角的4倍还多2°，最小的角是多少度？
<gadget id="calculator">90 - 2</gadget>
<output>88</output>

<gadget id="calculator">88 / 4</gadget>
<output>22</output>

<result>22</result>