There is a batch of square floor tiles, after being arranged into a large square, there are 32 remaining. If they are arranged into a large square with one more piece on each side than the original, the difference will be 49. How many bricks are there in this batch?
有一批正方形的地砖，排成一个大正方形后余下32块，如果将它改排成每边比原来多一块的大正方形后，就要差49块，问这批砖原来有多少块？
<gadget id="calculator">49 - 1</gadget>
<output>48</output>

<gadget id="calculator">32 + 48</gadget>
<output>80</output>

<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>

<gadget id="calculator">1_600 + 32</gadget>
<output>1_632</output>

<result>1_632</result>