piece of triangular glass has a base of 12.5 decimeters and a height of 7.6 decimeters. The price per square decimeter of glass is 68 yuan. How much does it cost to buy this piece of glass?
块三角形的玻璃，底是12.5分米，高是7.6分米，每平方分米玻璃的价钱是68元，买这块玻璃要用多少元？
<gadget id="calculator">7.6 / 2</gadget>
<output>3.8</output>

<gadget id="calculator">12.5 * 3.8 * 68</gadget>
<output>3_230</output>

<result>3_230</result>