2010*0.25-210/4=
2010*0.25-210/4=
<gadget id="calculator">2_010 * 0.25</gadget>
<output>502.5</output>

<gadget id="calculator">210 / 4</gadget>
<output>105/2 = around 52.5</output>

<gadget id="calculator">502.5 - (105/2)</gadget>
<output>450</output>

<result>450</result>