There are 1,000 people participating in the National Day parade celebration. These people are divided into 25 teams on average, and each team has 20 people in a row. In the process of advancing, the distance between rows is 1 meter, and the distance between teams is 6 meters. So how many meters is the length of this parade?
有1000人参加国庆节游行庆祝活动，这些人被平均分成25队，每队以20人为一排．前进过程中，排与排之间相隔1米，队与队之间相隔6米．那么这支游行队伍的长度为多少米？
<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">6 * 24</gadget>
<output>144</output>

<gadget id="calculator">1_000 / 25 / 20</gadget>
<output>2</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">1 * 1 * 25</gadget>
<output>25</output>

<gadget id="calculator">144 + 25</gadget>
<output>169</output>

<result>169</result>