A car travels 75 kilometers per hour, and a train travels 27 kilometers per hour, which is twice as fast as a car. What is the speed of the train?
汽车每小时行75千米，火车每小时行的是汽车的2倍还多27千米，火车的速度是多少？
<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<gadget id="calculator">150 + 27</gadget>
<output>177</output>

<result>177</result>