After a car drives from place A to place B for 2.5 hours, it is still 160 kilometers away from place B. After driving for 4 hours, it is still 100 kilometers away from place B. How many kilometers are there between places A and B?
一辆汽车从甲地开往乙地开了2.5小时后，离乙地还有160千米，汽车行了4小时后，离乙地还有100千米，甲乙两地相距多少千米？
<gadget id="calculator">160 - 100</gadget>
<output>60</output>

<gadget id="calculator">4 - 2.5</gadget>
<output>1.5</output>

<gadget id="calculator">60 / 1.5</gadget>
<output>40</output>

<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<gadget id="calculator">160 + 100</gadget>
<output>260</output>

<result>260</result>