When x=3, y=5, what is the value of 2x**2+3y
当x=3，y=5时，2x**2+3y的值是多少
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">2 * 9</gadget>
<output>18</output>

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">18 + 15</gadget>
<output>33</output>

<result>33</result>