What is the value of x=40, y=60, 2x+3y.
x=40，y=60，2x+3y的值是多少．
<gadget id="calculator">2 * 40</gadget>
<output>80</output>

<gadget id="calculator">3 * 60</gadget>
<output>180</output>

<gadget id="calculator">80 + 180</gadget>
<output>260</output>

<result>260</result>