3.14*0.68+31.4*0.032.
3.14*0.68+31.4*0.032．
<gadget id="calculator">3.14 * 0.68</gadget>
<output>2.1352</output>

<gadget id="calculator">31.4 * 0.032</gadget>
<output>1.0048</output>

<gadget id="calculator">2.1352 + 1.0048</gadget>
<output>3.14</output>

<result>3.14</result>