The famous Khufu pyramid in Egypt is in the shape of a regular pyramid, with a square base with a side length of 230.4 meters and a tower height of 146.7 meters. Assuming that all the materials used in the construction of the pyramid are quartz stones, each cubic meter weighs 2,700 kilograms, so how much is the total weight of the Khufu pyramid? ．
埃及著名的胡夫金字为正四棱锥形，诈方形底座边长为230.4，塔高146.7米，假定建筑金字塔所用材料全部是石英石，每立方米重2700千克那么胡夫金字塔的总重量是多少千克．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">230.4 ** 2</gadget>
<output>53_084.16</output>

<gadget id="calculator">(1/3) * 53_084.16 * 146.7</gadget>
<output>2_595_815.424</output>

<gadget id="calculator">2_595_815.424 * 2_700</gadget>
<output>7_008_701_644.8</output>

<result>7_008_701_644.8</result>