In a bar chart, 2 cm is used to represent 300 tons. To represent the quantity of 750 tons, how many centimeters should the bar be drawn.
在一幅条形统计图中，用2厘米表示300吨，要表示750吨的数量，直条应当画多少厘米．
<gadget id="calculator">750 / 300</gadget>
<output>5/2 = around 2.5</output>

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

<result>5</result>