A triangular sign has an area of 1 square meter, a base of 20 decimeters, and a height of 20 decimeters?
一块三角形的指示牌，面积是1平方米，底是20分米，高是多少分米？
<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 * 100 * (1/10)</gadget>
<output>10</output>

<result>10</result>