What is the difference between the product of 1.25 and 16 minus the quotient of 4 divided by 1.6?
1.25与16的积减去4除1.6的商，差是多少？
<gadget id="calculator">1.25 * 16</gadget>
<output>20</output>

<gadget id="calculator">1.6 / 4</gadget>
<output>0.4</output>

<gadget id="calculator">20 - 0.4</gadget>
<output>19.6</output>

<result>19.6</result>