How much greater is the product of 386 and 0.15 than the difference between 78.4 and 56.9?
386与0.15的积比78.4与56.9的差大多少？
<gadget id="calculator">386 * 0.15</gadget>
<output>57.9</output>

<gadget id="calculator">78.4 - 56.9</gadget>
<output>21.5</output>

<gadget id="calculator">57.9 - 21.5</gadget>
<output>36.4</output>

<result>36.4</result>