What is the difference between the product of 58 and 75 minus the quotient of 644 divided by 4?
58与75的积减去644除以4的商，差是多少？
<gadget id="calculator">58 * 75</gadget>
<output>4_350</output>

<gadget id="calculator">644 / 4</gadget>
<output>161</output>

<gadget id="calculator">4_350 - 161</gadget>
<output>4_189</output>

<result>4_189</result>