Tickets for the amusement park are 35 yuan for adults and half price for students. Now there are 3 teachers and 51 students, how much does it cost to buy tickets?
游乐园的门票成人要35元，学生要半价．现在有3位老师带51名同学，购门票一共要多少钱？
<gadget id="calculator">35 * 3</gadget>
<output>105</output>

<gadget id="calculator">35 / 2</gadget>
<output>35/2 = around 17.5</output>

<gadget id="calculator">(35/2) * 51</gadget>
<output>1_785/2 = around 892.5</output>

<gadget id="calculator">105 + (1_785/2)</gadget>
<output>1_995/2 = around 997.5</output>

<result>1_995/2 = around 997.5</result>