A dolphin swims 50 kilometers per hour, and a swordfish swims 19 kilometers faster than twice as fast as a dolphin. How many kilometers per hour does a swordfish swim?
海豚每小时游50千米，箭鱼游的速度比海豚的2倍还多19千米，箭鱼每小时游多少千米？
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">100 + 19</gadget>
<output>119</output>

<result>119</result>