The area of a right triangle is 18cm**2, the length of one side is 8cm, what is the length of the other side?
一个直角三角形的面积是18cm**2，一条直角边长是8cm，另一条直角边长是多少．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">18 * (1/4)</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>