When a=9, b=8, c=2, what is the value of a-(bc)
当a=9，b=8，c=2时，a-(b-c)的值是多少
<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<gadget id="calculator">9 - 6</gadget>
<output>3</output>

<result>3</result>