To dig a sandpit with a length of 5 meters, a width of 3 meters, and a depth of 0.6 meters on the school playground, the sand weighs 1.7 tons per cubic meter. How many tons of sand are needed to fill the sand pit?
要在学校操场上挖一个长5米、宽3米、深0.6米的沙坑，每立方米沙重1.7吨，填满这个沙坑需要多少吨沙子？
<gadget id="calculator">5 * 3 * 0.6 * 1.7</gadget>
<output>15.3</output>

<result>15.3</result>