The base of a triangle is 5.2 cm and the height is 4 cm. What is the area of the triangle in square centimeters?
一个三角形的底是5.2厘米，高是4厘米，这个三角形的面积是多少平方厘米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 5.2 * 4</gadget>
<output>10.4</output>

<result>10.4</result>