Calculation: 4-(3/2)-(5/4)-(9/8)=(the answer is expressed in the simplest fraction)
计算：4-(3/2)-(5/4)-(9/8)=(答案以最簡分數表示)
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">9 / 8</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">4 - (3/2) - (5/4) - (9/8)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>