Xiaojun has 4 50-cent coins, 4 1-cent coins and 4 1-yuan coins, and Xiaoqiang has 5 1-yuan coins. After Xiaojun gives Xiaoqiang how much money, the amount of money between the two will be equal?
小军有4枚5角硬币、4枚1角硬币和4枚1元硬币，小强有5枚1元硬币，小军给小强多少钱以后，两人的钱数就相等了？
<gadget id="calculator">0.5 * 4</gadget>
<output>2</output>

<gadget id="calculator">0.1 * 4</gadget>
<output>0.4</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">1 * 5</gadget>
<output>5</output>

<gadget id="calculator">4 - 5</gadget>
<output>-1</output>

<gadget id="calculator">2 + 0.4 + (-1)</gadget>
<output>1.4</output>

<gadget id="calculator">1.4 / 2</gadget>
<output>0.7</output>

<result>0.7</result>