7142.85/3.7/2.7*1.7*0.7=how many.
7142.85/3.7/2.7*1.7*0.7=多少．
<gadget id="calculator">7_142.85 / 3.7 / 2.7</gadget>
<output>715</output>

<gadget id="calculator">715 * 1.7 * 0.7</gadget>
<output>850.85</output>

<result>850.85</result>