((1*3*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8* 16)) = how much.
((1*3*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8*16))=多少．
<gadget id="calculator">1 * 3 * 24</gadget>
<output>72</output>

<gadget id="calculator">2 * 6 * 48</gadget>
<output>576</output>

<gadget id="calculator">3 * 9 * 72</gadget>
<output>1_944</output>

<gadget id="calculator">4 * 12 * 96</gadget>
<output>4_608</output>

<gadget id="calculator">72 + 576 + 1_944 + 4_608</gadget>
<output>7_200</output>

<gadget id="calculator">1 * 2 * 4</gadget>
<output>8</output>

<gadget id="calculator">2 * 4 * 8</gadget>
<output>64</output>

<gadget id="calculator">3 * 6 * 12</gadget>
<output>216</output>

<gadget id="calculator">4 * 8 * 16</gadget>
<output>512</output>

<gadget id="calculator">8 + 64 + 216 + 512</gadget>
<output>800</output>

<gadget id="calculator">7_200 / 800</gadget>
<output>9</output>

<result>9</result>