There are two pieces of cloth with the same length. The first piece takes up 30 meters, and the second piece takes up 19 meters. As a result, the number of remaining meters is that the second piece is four times that of the first piece, which is 2 meters more. How many meters?
有两块同样长的布，第一块用去30米，第二块用去19米，结果所余米数，第二块是第一块的4倍还多2米，两块布原来各有多少米？
<gadget id="calculator">30 - 19</gadget>
<output>11</output>

<gadget id="calculator">11 - 2</gadget>
<output>9</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">3 + 30</gadget>
<output>33</output>

<result>33</result>