32*(3/8)/(5.7-45*20%*(1/2)).
32*(3/8)/(5.7-45*20%*(1/2))．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">45 * (1/5) * (1/2)</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">5.7 - (9/2)</gadget>
<output>1.2</output>

<gadget id="calculator">(3/8) / 1.2</gadget>
<output>0.3125</output>

<gadget id="calculator">32 * 0.3125</gadget>
<output>10</output>

<result>10</result>