During the "October" period, Jinan Baotu Spring received a total of 150,000 tourists, and the ticket revenue reached 7.2 million yuan. The business tax was paid at 3% of the ticket revenue. How much tax should be paid?
"十一"期间，济南趵突泉共接待游客15万人次，门票收入达720万元，按门票收入的3%缴纳营业税，应缴税多少万元？
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">720 * (3/100)</gadget>
<output>108/5 = around 21.6</output>

<result>108/5 = around 21.6</result>