Calculation: ((2*4.6*9+4*9.2*18)/(1*2.3*4.5+3*6.9*13.5))=how much.
计算：((2*4.6*9+4*9.2*18)/(1*2.3*4.5+3*6.9*13.5))=多少．
<gadget id="calculator">1 * 2.3 * 4.5</gadget>
<output>10.35</output>

<gadget id="calculator">2 * 10.35</gadget>
<output>20.7</output>

<gadget id="calculator">4 * 10.35</gadget>
<output>41.4</output>

<gadget id="calculator">20.7 + 41.4</gadget>
<output>62.1</output>

<gadget id="calculator">3 * 10.35</gadget>
<output>31.05</output>

<gadget id="calculator">10.35 + 31.05</gadget>
<output>41.4</output>

<gadget id="calculator">62.1 / 41.4</gadget>
<output>1.5</output>

<result>1.5</result>