Uncle Wang takes a motorcycle from A to B for a meeting. If he travels 35 kilometers per hour, he will arrive 1 hour late; if he travels 50 kilometers per hour, he can arrive 0.5 hours earlier. The distance between A and B is How many kilometers.
王叔叔乘摩托车从甲地到乙地开会，如果每小时行35千米，要晚到1小时；如果每小时行50千米，就可以提前0.5小时到达，甲、乙两地的距离是多少千米．
<gadget id="calculator">50 * 0.5</gadget>
<output>25</output>

<gadget id="calculator">35 + 25</gadget>
<output>60</output>

<gadget id="calculator">50 - 35</gadget>
<output>15</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">35 * 5</gadget>
<output>175</output>

<result>175</result>