If a triangle with a height of 5 cm is equal to a square with a side length of 5 cm, what is the base of the triangle?
一个高是5厘米的三角形和一个边长是5厘米的正方形面积相等，这个三角形的底是多少分米．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">5 * 5 * (2/5)</gadget>
<output>10</output>

<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<result>1</result>