The school bought 240 copies of "Guidelines for Raising Seedlings" and lent them to Class 5 1 and Class 2 at a ratio of 5:3. How many copies should Class 5 1 borrow?
学校买来240本《育苗指引》，按5：3借给五1班和五2班，五1班应借到多少本．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">240 * (5/8)</gadget>
<output>150</output>

<result>150</result>