If you use the same specification of wooden floors to lay the floor, if you lay 60 square meters, you need 240 wooden floors; if you lay 45 square meters, how many pieces of such wooden floors are needed? (Solve with ratio)
用同种规格的木地板铺地，如果铺60平方米，需要240块木地板；如果铺45平方米，需要这样的木地板多少块？(用比例解)
<gadget id="calculator">240 * 45</gadget>
<output>10_800</output>

<gadget id="calculator">10_800 / 60</gadget>
<output>180</output>

<result>180</result>