One lap of the school runway is 400 meters, Xiao Ming ran a thousand meters, how much did he run?
学校跑道一圈是400米，小明跑一千米，跑了多少．
<gadget id="calculator">1_000 / 400</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">1 * (5/2)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>