There are 264 students in the sixth grade, and each of them has subscribed to at least one kind of magazine. Among them, (5/8) students have subscribed to "Science Pictorial", and (2/3) students have subscribed to "Primary School Students' World". How many students are subscribed to the magazine?
六年级有264名学生，每人起码订了一种杂志，其中有(5/8)的学生订了《科学画报》，有(2/3)的学生订了《小学生天地》，这两种杂志都订的有几名学生？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) - 1</gadget>
<output>-1/3 = around -0.333333</output>

<gadget id="calculator">(5/8) + (-1/3)</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">264 * (7/24)</gadget>
<output>77</output>

<result>77</result>