The sum of (1/4) and 2.5 is 25% more than a number. What is this number? (solution by equation)
(1/4)与2.5的和比一个数多25%，这个数是多少？(用方程解)
<gadget id="calculator">2.75 / 1.25</gadget>
<output>2.2</output>

<result>2.2</result>