Jace tried to evaluate $8\times500$ step by step.
$$ | $\phantom{=}\greenD8\times\blueD{500}$
- | -
${\text{Step } 1}$ | $=\greenD8 \times \blueD{5} \times \blueD{100} $
${\text{Step } 2}$ | $= 40\times \blueD{100} $
${\text{Step } 3}$ |$=4000$
**Find Jace's mistake.**
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