Fill in the numbers in the brackets according to the arrangement of the numbers on the right. 0.1, 0.2, 0.4, 0.7, how much.
按照右面这组数的排列规律，在括号里填数．0.1、0.2、0.4、0.7、多少．
<gadget id="calculator">0.7 + 0.4</gadget>
<output>1.1</output>

<result>1.1</result>