What is the product of the sum of 19.4 and 0.6, multiplied by 1 minus the difference of 0.07?
19.4与0.6的和，乘以1减去0.07的差，积是多少？
<gadget id="calculator">19.4 + 0.6</gadget>
<output>20</output>

<gadget id="calculator">1 - 0.07</gadget>
<output>0.93</output>

<gadget id="calculator">20 * 0.93</gadget>
<output>18.6</output>

<result>18.6</result>