A diver is originally at a depth of 11 meters, first floats up to 6 meters, and then dives to 3 meters, how many meters is he underwater at this time?
一个潜水员原来在水下11米处，先浮上6米，又下潜3米，这时他在水下多少米处？
<gadget id="calculator">11 - 6</gadget>
<output>5</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<result>8</result>