A 135-square-meter house in Cuiguang Community is priced at 548,000 yuan. Mr. Li is going to buy a house with a mortgage (loans from the bank). According to bank regulations, the down payment should be 30% of the house price.
翠光小区一套135平方米的住房，售价54.8万元，李先生准备按揭购房(向银行贷款购房)，按银行规定首付应付房价的三成，李先生首付应付多少钱？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">54.8 * (3/10)</gadget>
<output>16.44</output>

<result>16.44</result>