The notebooks sold in the store cost 1 yuan each, and a pack of ten notebooks sells for 8 yuan. Teacher Li has 100 yuan. How many notebooks can he buy at most?
商店出售的笔记本每本1元，一包十本卖8元，李老师有100元钱，最多能买多少本？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 / (4/5)</gadget>
<output>125</output>

<result>125</result>