Xiaoqiang wants to buy a computer worth 5,600 yuan, but now he only has (3/5) of the money for this computer. How much money is there for Xiaoqiang to buy this computer?
小强想买一台5600元的电脑，他现在只有这台电脑的(3/5)的钱，小强要买这台电脑还差多少钱？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">5_600 * (2/5)</gadget>
<output>2_240</output>

<result>2_240</result>