What is the result of adding from 1 to 80?
从1加到80，结果是多少？
<gadget id="calculator">1 + 80</gadget>
<output>81</output>

<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">81 * 40</gadget>
<output>3_240</output>

<result>3_240</result>