Calculation: 3.6*42.3*3.75-12.5*0.423*28=how much.
计算：3.6*42.3*3.75-12.5*0.423*28=多少．
<gadget id="calculator">3.6 * 42.3 * 3.75</gadget>
<output>571.05</output>

<gadget id="calculator">12.5 * 0.423 * 28</gadget>
<output>148.05</output>

<gadget id="calculator">571.05 - 148.05</gadget>
<output>423</output>

<result>423</result>