If the water level rises by 2 meters, it is recorded as +2 meters, and if it falls by 3 meters, it is recorded as -3 meters. How many meters does the water level rise from -3 meters to +2 meters?
水位上升2米记作+2米，下降3米记作-3米，水位从-3米到+2米上升了多少米．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<result>5</result>