What is the sum of 5.6 and 0.7 multiplied by the difference between 1 and 0.4? How many.
5.6与0.7的和乘以1与0.4的差，得多少？多少．
<gadget id="calculator">5.6 + 0.7</gadget>
<output>6.3</output>

<gadget id="calculator">1 - 0.4</gadget>
<output>0.6</output>

<gadget id="calculator">6.3 * 0.6</gadget>
<output>3.78</output>

<result>3.78</result>