The price of a box of steel nails is 14 yuan and 50 cents. The master worker bought 5 boxes of steel nails, how much should he pay in total?
一盒钢钉的价钱是14元5角，工人师傅买了5盒钢钉，一共要付多少钱？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">14 + (1/2)</gadget>
<output>29/2 = around 14.5</output>

<gadget id="calculator">(29/2) * 5</gadget>
<output>145/2 = around 72.5</output>

<result>145/2 = around 72.5</result>