Xiao Ming has 5.2 yuan. He wants to buy a pencil case with a price of 15.5 yuan. How much is the difference?
小明有5.2元，他想买一个价格为15.5元的文具盒，还差多少元？
<gadget id="calculator">15.5 - 5.2</gadget>
<output>10.3</output>

<result>10.3</result>