A sand truck can transport (1/3) tons of sand and gravel at one time, how many tons can it transport 4 times.
一辆运砂车一次可运砂石(1/3)吨，4次可运多少吨．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 4</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>