67*8.1+67*10.1+67*12.1-67*0.3=how much.
67*8.1+67*10.1+67*12.1-67*0.3=多少．
<gadget id="calculator">67 * 8.1</gadget>
<output>542.7</output>

<gadget id="calculator">67 * 10.1</gadget>
<output>676.7</output>

<gadget id="calculator">67 * 12.1</gadget>
<output>810.7</output>

<gadget id="calculator">67 * 0.3</gadget>
<output>20.1</output>

<gadget id="calculator">810.7 - 20.1</gadget>
<output>790.6</output>

<gadget id="calculator">542.7 + 676.7 + 790.6</gadget>
<output>2_010</output>

<result>2_010</result>