Calculation: 53*(2/5)+26*40%+*210.4.
计算：53*(2/5)+26*40%+*210.4．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">53 * (2/5)</gadget>
<output>106/5 = around 21.2</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">26 * (2/5)</gadget>
<output>52/5 = around 10.4</output>

<gadget id="calculator">21 * 0.4</gadget>
<output>8.4</output>

<gadget id="calculator">(106/5) + (52/5) + 8.4</gadget>
<output>40</output>

<result>40</result>