Teacher Li went home from school by train for 3 hours, and then by bus for 2 hours to the station. It is known that trains travel an average of 67 kilometers per hour, and cars travel an average of 45 kilometers per hour. How many kilometers is it from Teacher Li’s home to the school?
李老师从学校回家先乘3小时火车，再乘2小时汽车到站．已知火车平均每小时行驶67千米，汽车平均每小时行驶45千米，李老师家离学校有多少千米？
<gadget id="calculator">67 * 3</gadget>
<output>201</output>

<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">201 + 90</gadget>
<output>291</output>

<result>291</result>