Xiaohua and his classmates went to Songshan to participate in camping activities. When going up the mountain, Xiaohua walked an average of 60 steps per minute, and down the mountain averaged 100 steps per minute. It took Xiaohua 8 minutes longer to go up the mountain than to go down the mountain. steps?
小华和同学们到宋山参加野营活动，上山时，小华平均每分钟走60级台阶，下山平均每分钟走100级台阶，小华上山比下山多用8分钟，求从山脚到山顶共有多少级台阶？
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">(1/60) - (1/100)</gadget>
<output>1/150 = around 0.006667</output>

<gadget id="calculator">8 / (1/150)</gadget>
<output>1_200</output>

<result>1_200</result>