Hall 1 of a cinema has 200 seats. When a movie premieres, 4 seats are vacant in this hall. What is the attendance rate of this movie?
某影城1号厅有200个座位，某部电影首映时，该厅有4个座位空着，问这场电影的上座率是多少？
<gadget id="calculator">200 - 4</gadget>
<output>196</output>

<gadget id="calculator">196 / 200</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>