right triangle, the right angle sides are 4 cm and 3 cm respectively, and the hypotenuse is 5 cm, what is the area of the parallelogram equal to its base and height in square centimeters?
一个直角三角形，直角边分别是4厘米和3厘米，斜边是5厘米，与它等底等高的平行四边形的面积是多少平方厘米．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2) * 2</gadget>
<output>12</output>

<result>12</result>