After 0.67 is enlarged to 10 times of the original number, how much does it increase compared with the original number?
0.67扩大到原数的10倍后与原数相比，增加了多少．
<gadget id="calculator">0.67 * 10</gadget>
<output>6.7</output>

<gadget id="calculator">6.7 - 0.67</gadget>
<output>6.03</output>

<result>6.03</result>