Teacher Li bought a commercial house with an area of 90 square meters in Jiulongwan, and the unit price per square meter was 4,000 yuan. When purchasing a house, in addition to paying for the house, you also have to pay the housing deed tax and public maintenance fund to the government. The deed tax collection standard is 3/100 of the total house price, and the public maintenance fund payment standard is 100 yuan per square meter. How much did Mr. Li spend to buy this commercial house?
李老师在玖珑弯买了一套面积为90平方米的商品房，每平方米单价为4000元．购房时除要交房款外，同时还得向政府缴纳住房契税和公共维修基金，契税征收标准是总房价的(3/100)，公共维修基金缴纳标准是每平方米100元．李老师购得这套商品房一共要花多少元？
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">4_000 * 90 * (3/100)</gadget>
<output>10_800</output>

<gadget id="calculator">4_000 * 90</gadget>
<output>360_000</output>

<gadget id="calculator">100 * 90</gadget>
<output>9_000</output>

<gadget id="calculator">10_800 + 360_000 + 9_000</gadget>
<output>379_800</output>

<result>379_800</result>