(1/5)*(47/10)+(53/10)*20%.
(1/5)*(47/10)+(53/10)*20%．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">47 / 10</gadget>
<output>47/10 = around 4.7</output>

<gadget id="calculator">(1/5) * (47/10)</gadget>
<output>47/50 = around 0.94</output>

<gadget id="calculator">53 / 10</gadget>
<output>53/10 = around 5.3</output>

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

<gadget id="calculator">(53/10) * (1/5)</gadget>
<output>53/50 = around 1.06</output>

<gadget id="calculator">(47/50) + (53/50)</gadget>
<output>2</output>

<result>2</result>