Xiao Ming bought 25 cans for 125 yuan, and Xiao Fang bought 26 cans for 104 yuan. Who buys drinks cheaply? How much is it cheaper per listen?
小明花125元买了25听，小芳花104元买了26听．谁买的饮料便宜？每听便宜多少元？
<gadget id="calculator">125 / 25</gadget>
<output>5</output>

<gadget id="calculator">104 / 26</gadget>
<output>4</output>

<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<result>1</result>