Beibei miscalculated 11*(m+(3/10)) into 11*m+(3/10), how much is the difference between his calculated result and the correct result.
贝贝把11*(m+(3/10))错算成11*m+(3/10)，他计算的结果与正确结果相差多少．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">11 * (3/10)</gadget>
<output>33/10 = around 3.3</output>

<gadget id="calculator">(33/10) - (3/10)</gadget>
<output>3</output>

<result>3</result>