If the base of the triangle is enlarged to 3 times its original size, the height should be reduced to the original value to keep the area of the triangle unchanged
三角形的底扩大到原来的3倍，要使三角形的面积不变，高应缩小到原来的多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>