Xiaoyun's family of three went to the park to play on Sunday, and his father paid a total of 78 yuan for the tickets. Suppose each ticket is x yuan, what is the equation.
星期日小云一家三口到公园游玩，爸爸买门票共付了78元．设每张门票x元，列方程为多少．
<gadget id="calculator">78 / 3</gadget>
<output>26</output>

<result>26</result>