Calculation: (-48)/8**2-(-25)/(-5)**2.
计算：(-48)/8**2-(-25)/(-5)**2．
<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">(-48) / 64</gadget>
<output>-3/4 = around -0.75</output>

<gadget id="calculator">(-5) ** 2</gadget>
<output>25</output>

<gadget id="calculator">(-25) / 25</gadget>
<output>-1</output>

<gadget id="calculator">(-3/4) - (-1)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>