Lay 80 small square floor tiles with a side length of 5 decimeters on a rectangular floor with a length of 5 meters and a width of 4 meters. The border is surrounded by thin metal strips. If it costs 3 yuan to insert a 1-meter-long thin glass strip, and 5 yuan to surround a 1-meter-long thin metal strip, how much is the total cost (the length of the joint is ignored)
在一块长5米，宽4米的长方形地上铺80块边长为5分米的小正方形地砖，现在把每相邻的两个小正方形的边界用细玻璃条隔开，并在长方形地的边界上用细金属条围上．如果嵌1米长的细玻璃条需3元，围1米长的细金属条需5元，那么共需多少元(接缝处长度忽略不计)
<gadget id="calculator">5 / 0.5</gadget>
<output>10</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">4 * 9</gadget>
<output>36</output>

<gadget id="calculator">4 / 0.5</gadget>
<output>8</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<gadget id="calculator">36 + 35</gadget>
<output>71</output>

<gadget id="calculator">71 * 3</gadget>
<output>213</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">9 * 2</gadget>
<output>18</output>

<gadget id="calculator">18 * 5</gadget>
<output>90</output>

<gadget id="calculator">213 + 90</gadget>
<output>303</output>

<result>303</result>