Xiaoming's house is being renovated, and 12 floor tiles have paved a total of 15m**2 floors. How many floor tiles are needed per square meter on average?
小明家装修房子，12块地砖共铺了15m**2地，平均每平方米需要多少块地砖？
<gadget id="calculator">12 / 15</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>