A car can travel 64 kilometers per hour, and a train can travel 15 kilometers per hour twice as far as a car. How many miles does the train travel per hour?
汽车每小时可行驶64千米，火车每小时行驶的路程比汽车的2倍还多15千米．火车每小时行驶多少千米？
<gadget id="calculator">64 * 2</gadget>
<output>128</output>

<gadget id="calculator">128 + 15</gadget>
<output>143</output>

<result>143</result>