ferry travels at a speed of 35 km/h in still water, and travels downstream for 5 hours on a river with a flow speed of 2 km/h. How many kilometers does the ferry travel in total? How many kilometers
有一艘渡轮在静水中的船速是35公里/时，在流速2公里/时的河流上顺流而下5小时，渡轮共行驶几公里？多少公里
<gadget id="calculator">35 + 2</gadget>
<output>37</output>

<gadget id="calculator">37 * 5</gadget>
<output>185</output>

<result>185</result>