If the lengths of two sides of a right triangle are 9.5 decimeters and 0.74 meters respectively, what is the area of the right triangle?
一个直角三角形两条直角边长分别为9.5分米和0.74米，这个直角三角形的面积是多少平方分米．
<gadget id="calculator">0.74 * 10</gadget>
<output>7.4</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">9.5 * 7.4 * (1/2)</gadget>
<output>35.15</output>

<result>35.15</result>