Buy 20 triangular glass plates of the same size, the bottom of each glass plate is 12.5 decimeters, and the corresponding height is 8 decimeters. If the selling price of 1 square meter is 25 yuan, how much is the total payment for these glass panels?
买20块同样大小的三角形玻璃板，每块玻璃板的底是12.5分米，与它对应的高是8分米．若1平方米的售价是25元，这些玻璃板共付多少元？
<gadget id="calculator">8 / 2 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">12.5 * (1/25) * 25 * 20</gadget>
<output>250</output>

<result>250</result>