1.25 times 4.2 minus 5, what is the difference?
1.25乘4.2减5，差是多少？
<gadget id="calculator">1.25 * 4.2</gadget>
<output>5.25</output>

<gadget id="calculator">5.25 - 5</gadget>
<output>0.25</output>

<result>0.25</result>