There is a batch of square bricks, if assembled into a large rectangle with a ratio of length and width of 5:4, there will be 38 remaining pieces, and if it is assembled into a large rectangle with a length and width increased by 1 each, there will be 53 less pieces. Then, this batch of bricks How many pieces are there?
有一批正方形砖，如拼成一个长与宽之比为5：4的大长方形，则余38块，如改拼成长与宽各增加1块的大长方形则少53块，那么，这批砖共有多少块？
<gadget id="calculator">53 - 1</gadget>
<output>52</output>

<gadget id="calculator">38 + 52</gadget>
<output>90</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">4 - 20</gadget>
<output>-16</output>

<gadget id="calculator">20 + 5 + (-16)</gadget>
<output>9</output>

<gadget id="calculator">90 / 9</gadget>
<output>10</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 + 38</gadget>
<output>2_038</output>

<result>2_038</result>