Solve the column equation: 3.2 plus 2 times X equals 6.5, find this number.
列方程求解：3.2加上X的2倍等于6.5，求这个数．
<gadget id="calculator">6.5 - 3.2</gadget>
<output>3.3</output>

<gadget id="calculator">3.3 / 2</gadget>
<output>1.65</output>

<result>1.65</result>