5.6*(4/7)+1.4*(4/7)=
5.6*(4/7)+1.4*(4/7)=
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">5.6 * (4/7)</gadget>
<output>3.2</output>

<gadget id="calculator">1.4 * (4/7)</gadget>
<output>0.8</output>

<gadget id="calculator">3.2 + 0.8</gadget>
<output>4</output>

<result>4</result>