There are two groups of numbers A and B, each group of numbers is arranged according to certain rules, and each group has 25 numbers. The first few numbers in group A are arranged like this 1, 6, 11, 16, 21...; the last few numbers in group B are arranged like this..., 105, 110, 115, 120, 125. Then, what is the sum of all the numbers in the two sets of numbers A and B?
有A、B两组数，每组数都按一定的规律排列着，并且每组都各有25个数．A组数中前几个是这样排列的1，6，11，16，21…；B组数中最后几个是这样排列的…，105，110，115，120，125．那么，A、B这两组数中所有数的和是多少．
<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">5 * 24</gadget>
<output>120</output>

<gadget id="calculator">1 + 120</gadget>
<output>121</output>

<gadget id="calculator">1 + 121</gadget>
<output>122</output>

<gadget id="calculator">122 / 2</gadget>
<output>61</output>

<gadget id="calculator">61 * 25</gadget>
<output>1_525</output>

<gadget id="calculator">125 - 120</gadget>
<output>5</output>

<gadget id="calculator">5 + 125</gadget>
<output>130</output>

<gadget id="calculator">130 / 2</gadget>
<output>65</output>

<gadget id="calculator">65 * 25</gadget>
<output>1_625</output>

<gadget id="calculator">1_525 + 1_625</gadget>
<output>3_150</output>

<result>3_150</result>