Half of the sum of two addends is 0.65, one of which is 1.5 times 0.2, what is the other addend?
两个加数的和的一半是0.65，其中的一个加数是0.2的1.5倍，另一个加数是多少？
<gadget id="calculator">0.65 * 2</gadget>
<output>1.3</output>

<gadget id="calculator">0.2 * 1.5</gadget>
<output>0.3</output>

<gadget id="calculator">1.3 - 0.3</gadget>
<output>1</output>

<result>1</result>