The height of a triangle is 8 cm and the base is 5 times the height. What is the area of the triangle?
一个三角形的高是8厘米，底是高的5倍，这个三角形的面积是多少平方厘米？
<gadget id="calculator">8 * 5</gadget>
<output>40</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<result>160</result>