Wang Xiaohao opened a technology company. At the beginning of this year, we needed loans due to business expansion. Wang Xiaohao mortgaged his real estate to the bank for a loan of 300,000 yuan. The two parties agreed: the handling fee related to the payment is 5% of the loan amount. One-time payment. The annual interest rate of the loan is 7.6%. Every year, the principal of 100,000 yuan and the interest of the year must be repaid. Three years later. After repaying all the loan, can you help Wang Xiaohao calculate the total amount of interest and handling fees for this loan in addition to repaying the principal?
王小豪开了一家科技公司．今年年初由于业务拓展需要贷款．王小豪将自己房产抵押给银行贷30万元．双方约定：货款相关手续费为贷款额的5%．一次性付清．贷款年利率为7.6%，每满一年，需归还10万元本金和当年利息．三年后．贷款全部还完，你帮王小豪算一下他贷这笔款除归还本金外，利息和手续费共需多少钱？
<gadget id="calculator">7.6 / 100</gadget>
<output>0.076</output>

<gadget id="calculator">40 * 0.076 * 1</gadget>
<output>3.04</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">30 * (1/20)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3.04 + (3/2)</gadget>
<output>4.54</output>

<gadget id="calculator">30 - 10</gadget>
<output>20</output>

<gadget id="calculator">20 * 0.076</gadget>
<output>1.52</output>

<gadget id="calculator">20 * (1/20)</gadget>
<output>1</output>

<gadget id="calculator">1.52 + 1</gadget>
<output>2.52</output>

<gadget id="calculator">30 - 10 - 10</gadget>
<output>10</output>

<gadget id="calculator">10 * 0.076</gadget>
<output>0.76</output>

<gadget id="calculator">10 * (1/20)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">0.76 + (1/2)</gadget>
<output>1.26</output>

<gadget id="calculator">4.54 + 2.52 + 1.26</gadget>
<output>8.32</output>

<result>8.32</result>