A plastic plate is an isosceles triangle, and one of its top angles is 64°, so how many degrees is each of its bottom angles? (Please list the calculation)
一块塑料板是一个等腰三角形，它的一个顶角是64°那么它的每一个底角是多少度？(请列式计算)
<gadget id="calculator">180 - 64</gadget>
<output>116</output>

<gadget id="calculator">116 / 2</gadget>
<output>58</output>

<result>58</result>