From point A to point B, the original plan is to travel 80 kilometers per hour and arrive in 23 hours. The actual trip is 12 kilometers longer than the original plan. How long does it take to arrive?
从甲地到乙地，原计划每小时行80千米，23小时到达，实际每小时比原计划多行12千米，实际几小时到达？
<gadget id="calculator">80 * 23</gadget>
<output>1_840</output>

<gadget id="calculator">80 + 12</gadget>
<output>92</output>

<gadget id="calculator">1_840 / 92</gadget>
<output>20</output>

<result>20</result>