Calculation: ((333*111*7-111*4*333)/(999*555)).
计算：((333*111*7-111*4*333)/(999*555))．
<gadget id="calculator">333 * 111 * 7</gadget>
<output>258_741</output>

<gadget id="calculator">111 * 4 * 333</gadget>
<output>147_852</output>

<gadget id="calculator">258_741 - 147_852</gadget>
<output>110_889</output>

<gadget id="calculator">999 * 555</gadget>
<output>554_445</output>

<gadget id="calculator">110_889 / 554_445</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>