There are five consecutive even numbers. It is known that the third number is 18 more than the sum of the first and fifth numbers (1/4). What is the sum of these five even numbers?
有五个连续偶数，已知第三个数比第一个数与第五个数和的(1/4)多18，这五个偶数之和是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 * (1/4)</gadget>
<output>2</output>

<gadget id="calculator">18 - 4</gadget>
<output>14</output>

<gadget id="calculator">2 + 14</gadget>
<output>16</output>

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 / (1/2)</gadget>
<output>32</output>

<gadget id="calculator">32 + 34 + 36 + 38 + 40</gadget>
<output>180</output>

<result>180</result>