A piece of triangular glass has a base of 12dm and a height of 6.6dm. The price per square meter of glass is 65 yuan. How much does it cost to buy this piece of glass?
一块三角形的玻璃，它的底是12dm，高是6.6dm，每平方米玻璃的价钱是65元．买这块玻璃要用多少元？
<gadget id="calculator">6.6 / 2 / 100</gadget>
<output>0.033</output>

<gadget id="calculator">12 * 0.033 * 65</gadget>
<output>25.74</output>

<result>25.74</result>