(3(3/4)-(0.2+(1/3))*4.5)/(7.05+6(9/20)).
(3(3/4)-(0.2+(1/3))*4.5)/(7.05+6(9/20))．
<gadget id="calculator">3.75 - 0.9</gadget>
<output>2.85</output>

<gadget id="calculator">2.85 + 1.5</gadget>
<output>4.35</output>

<gadget id="calculator">4.35 / 7.5</gadget>
<output>0.58</output>

<result>0.58</result>