What is the sum of 8 0.1 and 80 0.01?
8个0.1和80个0.01合起来是多少．
<gadget id="calculator">8 * 0.1</gadget>
<output>0.8</output>

<gadget id="calculator">80 * 0.01</gadget>
<output>0.8</output>

<gadget id="calculator">0.8 + 0.8</gadget>
<output>1.6</output>

<result>1.6</result>